The document discusses high water marks, which are important for accurately mapping floodplains but are often missing from flood maps. It provides statistics on flood deaths in various U.S. states and notes that theoretical floodplains do not always match actual flood extents. The document promotes collecting high water mark data through crowd sourcing and describes several existing efforts to gather this data, including over 6,500 high water marks already identified in Texas. It outlines the types of high water marks and agencies that contribute data.
The document discusses the challenges facing family businesses in the third generation. It provides an overview of Major Brands, a large Missouri-based distributor of alcoholic and non-alcoholic beverages. Major Brands has experienced over 10 years of continuous revenue growth, reaching $410 million in sales, and distributes products across Missouri. It sources from both public and private suppliers and has a wide customer base in off-premise and on-premise retail. The document emphasizes the importance of community involvement and pursuing inconsistent strategies to avoid failure due to success.
Properties of electrodeposited semiconductor thin films are dependent upon the electrolyte composition, plating time, and temperature as well as the current density and the nature of the substrate. In this study, the influence of electrodeposition parameters such as deposition voltage, deposition time, composition of solution, and deposition temperature upon the properties of In2S3 films were analyzed by the Taguchi Method. According to Taguchi analysis, the interaction between deposition voltage and deposition time was significant. Deposition voltage had the most impact upon the stoichiometry of In2S3 films and deposition temperature had the least impact. The stochiometric ratios between sulfur and indium (S/In : 3/2) obtained from experiments performed with optimized electrodeposition paramters were in agreement with predicted values from the Taguchi Method. The experiments were carried-out according to Taguchi Orthogonal Array L27 (3^4) Design of Experiments (DOE). Approximately 600 nm-thick In2S3 films were electrodeposited from an organic bath (ethylene glycol-based) containing indium chloride (InCl3), sodium chloride (NaCl), and sodium thiosulfate (Na2S2O3.5H2O), the latter used as an additional sulfur source along with elemental sulfur (S). An X-ray diffractometer (XRD), energy dispersive X-ray spectroscopy (EDS) unit, and scanning electron microscope (SEM) were respectively used to analyze the phases, elemental composition, and morphology of the electrodeposited In2S3 films.
This document summarizes the MerOx sweetening process, which involves the oxidation of mercaptans in hydrocarbon streams. It discusses the types of sweetening processes, including removal and conversion. MerOx stands for mercaptan oxidation and involves oxidizing mercaptans to alkyl disulfides using oxygen in the presence of a metal chelate catalyst. The process occurs in three main vessels: a pre-wash vessel to dissolve mercaptans using caustic, a reactor vessel where the oxidation occurs over activated charcoal and catalyst, and a settler vessel where the products separate by gravity. The overall reactions convert mercaptans and hydrogen sulfide to alkyl disulfides, sodium thiosulfate, and regenerate ca
The document discusses desalting, which is the process of removing salts from crude oil. Salts are removed using natural, chemical, or electrochemical desalting. In electrochemical desalting, a demulsifier and electric field are used to break emulsions and allow salt water droplets to coalesce and settle. Proper operating conditions like temperature, pressure, water quality and chemical dosage are important for effective desalting. The goal is to reduce corrosion, fouling, and extend equipment life.
This document summarizes a project that mapped riverine habitat in the Rio Grande to support the experimental reintroduction of the endangered Rio Grande silvery minnow. Researchers used high-precision GPS to map habitat types at different river flows. They collected data on physical characteristics and fish assemblages. The resulting spatial database will help understand habitat variability and fish distributions to aid conservation of the silvery minnow.
The document outlines the charter of the U.S. States & Local Government Subcommittee of the Civil GPS Service Interface Committee (CGSIC). The subcommittee aims to (1) provide an open forum for civil users to exchange information about GPS use, (2) identify common needs of state and local governments regarding GPS and communicate issues to CGSIC, and (3) identify information requirements and distribute information to state and local government GPS users. It also maintains contacts for these government users.
The Texas General Land Office uses GPS technology to help manage natural resources on state lands and ensure compliance with oil and gas leases. GPS is used to map oil and gas wells, pipeline easements, coastal wildlife habitats, structures permitted on public lands, and areas for brush control. Data collected through GPS devices is uploaded to the GLO's GIS system to help visualize management alternatives and support activities like oil spill response planning. The GLO utilizes various GPS units including Delorme and Leica devices.
1) GPS is critical infrastructure that supports many industries like transportation, agriculture, and energy. 2) The FAA operates programs like WAAS and NDGPS to augment GPS for aviation and other uses. 3) The US operates a network of CORS stations to provide highly accurate GPS positioning nationwide. 4) GPS enables major DOT initiatives in aviation, rail, and intelligent transportation systems.
The document discusses the challenges facing family businesses in the third generation. It provides an overview of Major Brands, a large Missouri-based distributor of alcoholic and non-alcoholic beverages. Major Brands has experienced over 10 years of continuous revenue growth, reaching $410 million in sales, and distributes products across Missouri. It sources from both public and private suppliers and has a wide customer base in off-premise and on-premise retail. The document emphasizes the importance of community involvement and pursuing inconsistent strategies to avoid failure due to success.
Properties of electrodeposited semiconductor thin films are dependent upon the electrolyte composition, plating time, and temperature as well as the current density and the nature of the substrate. In this study, the influence of electrodeposition parameters such as deposition voltage, deposition time, composition of solution, and deposition temperature upon the properties of In2S3 films were analyzed by the Taguchi Method. According to Taguchi analysis, the interaction between deposition voltage and deposition time was significant. Deposition voltage had the most impact upon the stoichiometry of In2S3 films and deposition temperature had the least impact. The stochiometric ratios between sulfur and indium (S/In : 3/2) obtained from experiments performed with optimized electrodeposition paramters were in agreement with predicted values from the Taguchi Method. The experiments were carried-out according to Taguchi Orthogonal Array L27 (3^4) Design of Experiments (DOE). Approximately 600 nm-thick In2S3 films were electrodeposited from an organic bath (ethylene glycol-based) containing indium chloride (InCl3), sodium chloride (NaCl), and sodium thiosulfate (Na2S2O3.5H2O), the latter used as an additional sulfur source along with elemental sulfur (S). An X-ray diffractometer (XRD), energy dispersive X-ray spectroscopy (EDS) unit, and scanning electron microscope (SEM) were respectively used to analyze the phases, elemental composition, and morphology of the electrodeposited In2S3 films.
This document summarizes the MerOx sweetening process, which involves the oxidation of mercaptans in hydrocarbon streams. It discusses the types of sweetening processes, including removal and conversion. MerOx stands for mercaptan oxidation and involves oxidizing mercaptans to alkyl disulfides using oxygen in the presence of a metal chelate catalyst. The process occurs in three main vessels: a pre-wash vessel to dissolve mercaptans using caustic, a reactor vessel where the oxidation occurs over activated charcoal and catalyst, and a settler vessel where the products separate by gravity. The overall reactions convert mercaptans and hydrogen sulfide to alkyl disulfides, sodium thiosulfate, and regenerate ca
The document discusses desalting, which is the process of removing salts from crude oil. Salts are removed using natural, chemical, or electrochemical desalting. In electrochemical desalting, a demulsifier and electric field are used to break emulsions and allow salt water droplets to coalesce and settle. Proper operating conditions like temperature, pressure, water quality and chemical dosage are important for effective desalting. The goal is to reduce corrosion, fouling, and extend equipment life.
This document summarizes a project that mapped riverine habitat in the Rio Grande to support the experimental reintroduction of the endangered Rio Grande silvery minnow. Researchers used high-precision GPS to map habitat types at different river flows. They collected data on physical characteristics and fish assemblages. The resulting spatial database will help understand habitat variability and fish distributions to aid conservation of the silvery minnow.
The document outlines the charter of the U.S. States & Local Government Subcommittee of the Civil GPS Service Interface Committee (CGSIC). The subcommittee aims to (1) provide an open forum for civil users to exchange information about GPS use, (2) identify common needs of state and local governments regarding GPS and communicate issues to CGSIC, and (3) identify information requirements and distribute information to state and local government GPS users. It also maintains contacts for these government users.
The Texas General Land Office uses GPS technology to help manage natural resources on state lands and ensure compliance with oil and gas leases. GPS is used to map oil and gas wells, pipeline easements, coastal wildlife habitats, structures permitted on public lands, and areas for brush control. Data collected through GPS devices is uploaded to the GLO's GIS system to help visualize management alternatives and support activities like oil spill response planning. The GLO utilizes various GPS units including Delorme and Leica devices.
1) GPS is critical infrastructure that supports many industries like transportation, agriculture, and energy. 2) The FAA operates programs like WAAS and NDGPS to augment GPS for aviation and other uses. 3) The US operates a network of CORS stations to provide highly accurate GPS positioning nationwide. 4) GPS enables major DOT initiatives in aviation, rail, and intelligent transportation systems.
TxDOT has used GPS since 1984 and now operates 182 reference stations across Texas to support high-precision applications like surveying, construction, and photogrammetry. The agency provides real-time kinematic corrections from these stations to help engineers, contractors and others perform positioning tasks. TxDOT also collects static data from the stations for control networks and shares data with other organizations like NGS and NOAA.
The document discusses mapping the vegetation of Texas through a collaborative project between several partners. It involves using satellite imagery and field data to classify land cover into ecological systems and produce a detailed map of vegetation types across the state. The multi-phase project will create GIS maps of over 100 ecological systems in Texas at a 30m resolution for use in conservation and land management.
The document describes a project by Navstar Mapping Corporation to map 70,000 miles of local roads in Tennessee over 5 years. Key aspects of the project include using GPS and distance measuring instruments to update an existing database of 55,000 road miles across 95 counties, performing field surveys to validate data, and processing updates to deliver accurate mapping data to the Tennessee Department of Transportation. The project aims to efficiently collect and verify road data to improve the state's transportation mapping systems.
The Coast Guard Navigation Center (NAVCEN) provides nationwide GPS augmentation signals and tracks vessel movements to enhance maritime safety. NAVCEN operates 24/7 services including navigation information, GPS monitoring and control, and vessel tracking. It oversees DGPS coverage throughout the US and provides a website and contact for reporting GPS outages.
The document discusses using real-time kinematic (RTK) GPS on smartphones and tablets for surveying applications. It describes collecting coastal observations using RTK GPS, research projects using GPS for tasks like satellite recovery and aerial imaging, and developing an app to enable RTK surveying from mobile devices by connecting to CORS networks for real-time corrections. The app would allow for both real-time and post-processed surveying on smartphones with considerations for the phone's keyboard, battery life, and outputting GNSS data. The open source app would be available on software websites and markets.
The 2d Space Operations Squadron provides positioning, navigation, and timing through operating and maintaining the GPS satellite constellation and ground network. They have 113 personnel across 5 crews. Currently there are 31 operational GPS satellites providing global civil service. Notable recent events include the successful launch of the second IIF satellite and ongoing modernization efforts like the new L2C and L5 signals, GPSOC operations, and OCX ground system construction. The squadron is committed to sustaining and modernizing GPS capabilities for worldwide civil and military users.
This document provides an overview of a project to assess mapping technologies for connected vehicle applications. The project aims to determine the best technologies to support intelligent transportation systems and will analyze technologies like aerial imagery and vehicle-mounted sensors. A field test of mapping technologies was conducted and involved collecting road data using sensors on a test vehicle. The goal is to develop maps to enable safety and mobility applications by knowing vehicles' locations relative to the roadway and other vehicles.
This document discusses the tradeoff between privacy and GPS integrity. It acknowledges graduate students and researchers who contributed to spoofing GPS signals experiments. It shows graphs depicting meters of error over time from spoofing tests. It proposes that spoofing could be used to create a "virtual tractor beam" to control a target drone by transmitting spoofed GPS signals that manipulate its reported coordinates based on its location from a tracking system.
The Civil GPS Service Interface Committee (CGSIC) acts as a liaison between civil GPS users worldwide and U.S. GPS authorities. It is chaired by the Department of Transportation's Research and Innovative Technology Administration and includes advisory boards and subcommittees representing different GPS user communities. The U.S. Coast Guard Navigation Center represents CGSIC and safeguards civil GPS interests through positions on various GPS oversight committees and working groups.
The document summarizes US international cooperation activities related to GNSS/GPS. It discusses:
1) US policy of maintaining leadership in space-based PNT and encouraging compatibility and interoperability with GPS;
2) Planned global and regional satellite navigation constellations and augmentations;
3) US bilateral cooperation with countries/regions including China, Europe, India, Japan, and Russia to ensure compatibility and achieve interoperability between GPS and their systems.
It also summarizes the International Committee on GNSS which promotes cooperation among GNSS providers and members on compatibility, interoperability, and integration of satellite navigation.
This document summarizes David Koger's presentation on the evolution of remote sensing and GIS in oil and gas exploration. It discusses how remote sensing has progressed from early techniques like creekology which used stream patterns to identify potential oil sites, to using advanced satellite imagery and data merging. It provides case studies on using remote sensing for exploration in locations like Nebraska, Romania, Paraguay, and Kansas. It also discusses projects analyzing CO2 sequestration potential by mapping subsurface geology, structures, and fluid pathways using remote sensing data.
This document provides an overview of UAV image recognition technology and applications. It defines UAVs and describes the key technologies that have enabled their development, such as autopilots, GPS, and miniaturized components. It outlines the UT UAV group's work on autonomous target recognition for competition, including detecting, analyzing, and determining the position of targets in images. The group's system achieves 85% detection accuracy and aims to reduce position error below 50 feet. Potential applications of UAVs discussed include monitoring oil pipelines and ranches as well as aiding wildfire response. Strict regulations govern UAV use due to safety concerns.
The document summarizes a presentation given at the 2011 Fall Conference of the Texas Floodplain Management Association. The presentation was given by David R. Maltby II from the USGS Texas Water Science Center and Gregory P. Shelton from the National Weather Service West Gulf River Forecast Center on collaborations to develop and deploy flood inundation maps. It provides an overview of the National Weather Service's Flood Inundation Mapping Program and the USGS Flood Inundation Mapping Initiative. It also reviews collaborative projects between the NWS and USGS to incorporate flood inundation maps into HAZUS, FEMA's flood loss estimation model.
The document summarizes a New York City case study that used LiDAR to create a high-accuracy 3D model of the city to analyze solar potential. Key points:
1) LiDAR was used to collect over 15 billion data points covering 362 square miles to create a detailed 3D model of NYC buildings and terrain.
2) The project partners were various NYC agencies and CUNY who collaborated to analyze solar potential and support the city's strategic energy plan.
3) The 3D model allowed for detailed analysis of solar radiation and shadows at specific locations to identify prime areas for solar installations.
This document describes the National Atlas of the United States 1:1,000,000-scale Hydrography Dataset created by the U.S. Geological Survey. The dataset includes four national shapefiles and 21 regional geodatabases containing hydrographic features such as streams, waterbodies, streamgages, and coastlines. It was created by generalizing higher resolution hydrographic data and aligning it with transportation features, political boundaries, and hydrographic data from Canada and Mexico for use in cartography, hydrology, and at global, continental, and national scales.
Teresa Stephens, GIS Specialist, Paul Bechtel & Associates, Inc. and Andrew Weinberg, Geoscientist, Texas Water Development Board
Presented at the 2011 Texas GIS Forum
Removing Uninteresting Bytes in Software FuzzingAftab Hussain
Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
In this work, we equipped AFL, a popular fuzzer, with DIAR and examined two critical Linux libraries -- Libxml's xmllint, a tool for parsing xml documents, and Binutil's readelf, an essential debugging and security analysis command-line tool used to display detailed information about ELF (Executable and Linkable Format). Our preliminary results show that AFL+DIAR does not only discover new paths more quickly but also achieves higher coverage overall. This work thus showcases how starting with lean and optimized seeds can lead to faster, more comprehensive fuzzing campaigns -- and DIAR helps you find such seeds.
- These are slides of the talk given at IEEE International Conference on Software Testing Verification and Validation Workshop, ICSTW 2022.
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TxDOT has used GPS since 1984 and now operates 182 reference stations across Texas to support high-precision applications like surveying, construction, and photogrammetry. The agency provides real-time kinematic corrections from these stations to help engineers, contractors and others perform positioning tasks. TxDOT also collects static data from the stations for control networks and shares data with other organizations like NGS and NOAA.
The document discusses mapping the vegetation of Texas through a collaborative project between several partners. It involves using satellite imagery and field data to classify land cover into ecological systems and produce a detailed map of vegetation types across the state. The multi-phase project will create GIS maps of over 100 ecological systems in Texas at a 30m resolution for use in conservation and land management.
The document describes a project by Navstar Mapping Corporation to map 70,000 miles of local roads in Tennessee over 5 years. Key aspects of the project include using GPS and distance measuring instruments to update an existing database of 55,000 road miles across 95 counties, performing field surveys to validate data, and processing updates to deliver accurate mapping data to the Tennessee Department of Transportation. The project aims to efficiently collect and verify road data to improve the state's transportation mapping systems.
The Coast Guard Navigation Center (NAVCEN) provides nationwide GPS augmentation signals and tracks vessel movements to enhance maritime safety. NAVCEN operates 24/7 services including navigation information, GPS monitoring and control, and vessel tracking. It oversees DGPS coverage throughout the US and provides a website and contact for reporting GPS outages.
The document discusses using real-time kinematic (RTK) GPS on smartphones and tablets for surveying applications. It describes collecting coastal observations using RTK GPS, research projects using GPS for tasks like satellite recovery and aerial imaging, and developing an app to enable RTK surveying from mobile devices by connecting to CORS networks for real-time corrections. The app would allow for both real-time and post-processed surveying on smartphones with considerations for the phone's keyboard, battery life, and outputting GNSS data. The open source app would be available on software websites and markets.
The 2d Space Operations Squadron provides positioning, navigation, and timing through operating and maintaining the GPS satellite constellation and ground network. They have 113 personnel across 5 crews. Currently there are 31 operational GPS satellites providing global civil service. Notable recent events include the successful launch of the second IIF satellite and ongoing modernization efforts like the new L2C and L5 signals, GPSOC operations, and OCX ground system construction. The squadron is committed to sustaining and modernizing GPS capabilities for worldwide civil and military users.
This document provides an overview of a project to assess mapping technologies for connected vehicle applications. The project aims to determine the best technologies to support intelligent transportation systems and will analyze technologies like aerial imagery and vehicle-mounted sensors. A field test of mapping technologies was conducted and involved collecting road data using sensors on a test vehicle. The goal is to develop maps to enable safety and mobility applications by knowing vehicles' locations relative to the roadway and other vehicles.
This document discusses the tradeoff between privacy and GPS integrity. It acknowledges graduate students and researchers who contributed to spoofing GPS signals experiments. It shows graphs depicting meters of error over time from spoofing tests. It proposes that spoofing could be used to create a "virtual tractor beam" to control a target drone by transmitting spoofed GPS signals that manipulate its reported coordinates based on its location from a tracking system.
The Civil GPS Service Interface Committee (CGSIC) acts as a liaison between civil GPS users worldwide and U.S. GPS authorities. It is chaired by the Department of Transportation's Research and Innovative Technology Administration and includes advisory boards and subcommittees representing different GPS user communities. The U.S. Coast Guard Navigation Center represents CGSIC and safeguards civil GPS interests through positions on various GPS oversight committees and working groups.
The document summarizes US international cooperation activities related to GNSS/GPS. It discusses:
1) US policy of maintaining leadership in space-based PNT and encouraging compatibility and interoperability with GPS;
2) Planned global and regional satellite navigation constellations and augmentations;
3) US bilateral cooperation with countries/regions including China, Europe, India, Japan, and Russia to ensure compatibility and achieve interoperability between GPS and their systems.
It also summarizes the International Committee on GNSS which promotes cooperation among GNSS providers and members on compatibility, interoperability, and integration of satellite navigation.
This document summarizes David Koger's presentation on the evolution of remote sensing and GIS in oil and gas exploration. It discusses how remote sensing has progressed from early techniques like creekology which used stream patterns to identify potential oil sites, to using advanced satellite imagery and data merging. It provides case studies on using remote sensing for exploration in locations like Nebraska, Romania, Paraguay, and Kansas. It also discusses projects analyzing CO2 sequestration potential by mapping subsurface geology, structures, and fluid pathways using remote sensing data.
This document provides an overview of UAV image recognition technology and applications. It defines UAVs and describes the key technologies that have enabled their development, such as autopilots, GPS, and miniaturized components. It outlines the UT UAV group's work on autonomous target recognition for competition, including detecting, analyzing, and determining the position of targets in images. The group's system achieves 85% detection accuracy and aims to reduce position error below 50 feet. Potential applications of UAVs discussed include monitoring oil pipelines and ranches as well as aiding wildfire response. Strict regulations govern UAV use due to safety concerns.
The document summarizes a presentation given at the 2011 Fall Conference of the Texas Floodplain Management Association. The presentation was given by David R. Maltby II from the USGS Texas Water Science Center and Gregory P. Shelton from the National Weather Service West Gulf River Forecast Center on collaborations to develop and deploy flood inundation maps. It provides an overview of the National Weather Service's Flood Inundation Mapping Program and the USGS Flood Inundation Mapping Initiative. It also reviews collaborative projects between the NWS and USGS to incorporate flood inundation maps into HAZUS, FEMA's flood loss estimation model.
The document summarizes a New York City case study that used LiDAR to create a high-accuracy 3D model of the city to analyze solar potential. Key points:
1) LiDAR was used to collect over 15 billion data points covering 362 square miles to create a detailed 3D model of NYC buildings and terrain.
2) The project partners were various NYC agencies and CUNY who collaborated to analyze solar potential and support the city's strategic energy plan.
3) The 3D model allowed for detailed analysis of solar radiation and shadows at specific locations to identify prime areas for solar installations.
This document describes the National Atlas of the United States 1:1,000,000-scale Hydrography Dataset created by the U.S. Geological Survey. The dataset includes four national shapefiles and 21 regional geodatabases containing hydrographic features such as streams, waterbodies, streamgages, and coastlines. It was created by generalizing higher resolution hydrographic data and aligning it with transportation features, political boundaries, and hydrographic data from Canada and Mexico for use in cartography, hydrology, and at global, continental, and national scales.
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Imagine a world where software fuzzing, the process of mutating bytes in test seeds to uncover hidden and erroneous program behaviors, becomes faster and more effective. A lot depends on the initial seeds, which can significantly dictate the trajectory of a fuzzing campaign, particularly in terms of how long it takes to uncover interesting behaviour in your code. We introduce DIAR, a technique designed to speedup fuzzing campaigns by pinpointing and eliminating those uninteresting bytes in the seeds. Picture this: instead of wasting valuable resources on meaningless mutations in large, bloated seeds, DIAR removes the unnecessary bytes, streamlining the entire process.
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Texas high water marks crowd sourcing history, culture, and geography
1. High Water Marks
Crowd Sourcing-History- Geography
Melinda Luna, P.E., CFM
October 2011 | Flood Mapping Services
2. The Problem: Flood Deaths
www.tnris.org/status-maps
Number of
State Flood
Deaths(1960-
2008)
Texas 657
S Dakota 246
Virginia 224
California 186
Colorado 185
Source: Rising Waters, The Causes and Consequences of Flooding in the
United States
Samuel D. Brody, W E Highfield, Jung Eun Kang
3. The Problem: Theoretical Floodplains
www.tnris.org/status-maps
Initial
Floodplain
Floodplain after
Highwater marks
Highwater mark
4. Missing Ingredient:
Highwater marks
g
www.tnris.org/status-maps
CIRCA ~ 1400 AD
“High d lli
“Hi h dwellings are
the peace and
harmony of our
descendants,
Remember the
calamity of the
great tsunamis. Do
not build any
homes below this
point.
point "
10. Other Methods of acquiring
www.tnris.org/status-maps
t i g/ t t Highwater Mark data
Web services Webservices
Geospatial Pdf
http://services.tnris.org/arcgis/servic
es/High_Water_Marks/MapServer/W
MSServer?
Gemss.tnris.org
11. High Water Marks in Texas
2500+ Dallam Sherman Hansford Ochiltree Lipscomb
101 - 260
Total for State: 6,500
Hartley Moore Hutchinson Roberts Hemphill
Oldham Potter Carson Gray Wheeler
51 - 100
As f
A of 10/20/2011
Deaf Smith Randall Armstrong Donley Collingsworth
26 - 50 Parmer Castro Swisher Briscoe Hall Childress
Hardeman
Bailey Lamb Hale Floyd Motley Cottle Wilbarger
11 - 25 Foard Wichita
Clay
Montague Cooke Grayson Lamar Red River
Cochran Hockley Lubbock Crosby Dickens King Knox Baylor Archer Fannin
Bowie
1 - 10 Yoakum Terry Lynn Garza Kent Stonewall Haskell
Throckmorton
Young Jack Wise Denton Collin
Hunt
Delta
Hopkins
Titus
Morris Cass
Franklin
Camp
Rockwall Rains
StephensPalo Pinto Parker Wood Upshur Marion
None Identified Gaines Dawson Borden Scurry Fisher Jones
Shackelford
Tarrant Dallas
KaufmanVan Zandt Harrison
Hood Johnson Gregg
Ellis Smith
Andrews Martin Howard Mitchell Nolan Taylor Callahan Eastland
Erath Somervell Henderson
Rusk Panola
Hill Navarro
Glasscock Comanche Bosque
El Paso Loving Winkler Ector Midland Coke Runnels Cherokee
Sterling Coleman Brown Anderson Shelby
Hamilton Freestone
Tom Green Nacogdoches
Ward Mills McLennan Limestone
Hudspeth Culberson Crane
Upton Reagan Coryell San Augustine Sabine
Reeves Irion Concho Leon Houston
McCullochSan Saba Lampasas Falls Angelina
Bell Robertson Madison Trinity
Schleicher Menard
Pecos Burnet Milam Walker Polk Tyler Jasper Newton
Jeff Davis Crockett Mason Llano Williamson Brazos
Grimes San Jacinto
Sutton Kimble Burleson
Gillespie Blanco Travis Lee Montgomery Hardin
Terrell Washington
Liberty Orange
Kerr Hays Bastrop
Presidio Edwards AustinWaller
Val Verde Kendall
Real Caldwell Fayette Harris Jefferson
Brewster Comal
Bandera Chambers
Guadalupe Colorado
Fort Bend
Bexar Gonzales Galveston
Kinney Uvalde Medina Lavaca
Wharton
Wilson Brazoria
DeWitt
Maverick Jackson
Zavala Frio Atascosa Karnes
Victoria Matagorda
Goliad
Calhoun
Dimmit McMullen
Bee
La Salle Live Oak Refugio
San PatricioAransas
Webb
Duval Jim Wells Nueces
Kleberg
Zapata Jim Hogg Brooks
Kenedy
Starr
Willacy
Hidalgo
highwatermarks@tnris.org
Cameron
12. How can HWM’s help in
Floodplain Mapping?
•Calibration of Hydraulic models
•Research projects
•Uses outside floodplain mapping
•Recreate Historic Flood Events
•Outreach – Understanding flooding
Outreach
13. Highwater marks - History
June 1965 –Sanderson, Texas
May 1981 – Austin, Texas September 2008-Galveston
15. Thank you
Send any highwater marks to:
Highwatermarks@tnris.org
High t r rk @t ri rg
Floodplain Mapping S i
Fl d l i M i g Services – M i Li 512 463 8337
Main Line 512-463-8337
Texas Natural Resources Information Systems,
a part of the Texas Water Development Board
Melinda Luna, P.E., CFM
512-463-9625
Melinda.Luna@twdb.state.tx.us