Web Based Gis For Land Administration 20090629
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Web Based Gis For Land Administration 20090629

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Discover the spatial data layers that BLM is currently making available to the public through the GeoCommunicator web mapping portal.

Discover the spatial data layers that BLM is currently making available to the public through the GeoCommunicator web mapping portal.

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  • Web based GIS are used to publish cadastral data and land records in the most efficient way. Making data accessible to the user community is highly beneficial to the managing agency as well as the public. This presentation will demonstrate how the BLM’s National Integrated Land System (NILS) has evolved to meet the specific needs of the cadastral community by providing: • Free data distribution of cadastral data that can be consumed as SHP files, WMS (Web Map Service) and other formats • Easy access to detailed reports and information • Free survey data in many formats that can assist surveyors in locating monuments in the field • Complex web services that generate land descriptions or translate them to geometries • Powerful search tools to aid in land management decisions
  • Use Authorizations have been maintained in various forms but most recently published through LR2000 Case Recordation.
  • a.k.a. Cadastral Survey data Survey Type – Aliquot part, special survey such as mineral survey or homestead survey, unsurveyed, etc. Geopolitical – BLM District/Resource Area, County, Congressional District, and surface management agency Note: The surface management agency in LLD is coded as BLM, even when the land is privately owned, unless the land is located within a National Park, National Forest, etc.

Web Based Gis For Land Administration 20090629 Web Based Gis For Land Administration 20090629 Presentation Transcript

  • How to Benefit from Web Based GIS for Land Administration John Reitsma Bureau of Land Management SUR1783 July 14,2009 3:15 PM-4:30 PM Room 30a San Diego Convention Center
  • Land Administration Records
    • Can be some of the most detailed and complicated records to gather and analyze
    Land Title Survey Records Use Authorizations
  • Federal Land Records
    • Use Authorizations
    • Rights-of-Way
    • Oil &Gas Leasing
    • Mineral Leasing
    • Mineral Materials
    • Withdrawals
    • Land Classifications
    • Land Title Conveyance
    • Disposals
    • Exchanges
    • Acquisitions
    • Collection of Public Land Survey System Data (PLSS)
    • Township/Range/Section/Aliquot, special survey, geopolitical information
    Legal Land Description (derived from PLSS)
  • Information Accessibility Evolution
  • GeoCommunicator – Spatial Interface to Land Records http://www.geocommunicator.gov Provides interactive mapping of:
    • Public Land Survey Data (PLSS)
    • Federal Leasing and Use Authorizations
    • Federal Land Disposition
    • Federal Surface Management Agency Boundaries (SMA)
  • Parameters can be passed for custom map views http://www.geocommunicator.gov/NILS-PARCEL2/map.jsp?Long=-106.10855&Lat=39.29002&MAP=MC&Label=My%20Claim ?Long=-106.10855 &Lat=39.29002 &MAP=MC (OG,GT,SM,MC) &Label= My Claim
  • Call Geocomm’s Identify from Any Application
    • Identify provides
    • PLSS data
    • SMA
    • Leasing Info
    • Sale Parcels
    • Links to LR2000
    NILS Lease http://wogccms.state.wy.us/ http://www.geocommunicator.gov/blmMap/identify.jsp ?iXmin=-108.12345 &iYmin=43.12345 &iXmax=-108.12344 &iYmax=43.12346 &tabset=energy WY Oil & Gas has a NILS button that brings up the identify results from GeoCommunicator when you click on a lease.
  • GeoCommunicator Map Services in ArcMap
  • Provide a shapefile of O&G leases which fall within a particular county
    • Add the county layer from BLM_MAP_BASEMAPS
    • Add Oil & Gas Leases from BLM_FEATURE_OIL_AND_GAS featureclass= “OG Leases – Authorized”
    • Select by location
    • Export selected leases
    Data Extraction Example from IMS
  • Feature Services Selection Exported to Shapefile
  • Load GeoCommunicator WMS into Google Earth
  • GeoCommunicator Web Services
    • Survey Exporter
    • Find Land Description (LD)
    • Derive Land Description (LD)
    • GeoCoder
    • The web services are available on GeoCommunicator and to other application developers as GeoRSS.
  • Survey Exporter
    • Select Townships to download from the Land Survey Information System
  • Survey Exporter
    • Download survey points, points/lines, or control points in different formats (KML, GPX, list, GeoRSS)
  • Find LD Find LD -provides a way to find and draw a land description on a map
  • Find LD Enter in the land description: State, Township, Range Select the Sections and Aliquots Select Find Boundary to draw the parcel on the map
  • Select Identify to find what is occurring on lands where the parcel is located.
  • Identify Identifies what is occurring in the area defined on the map
  • Derive LD – Sketch area Copy description, turn on map layers, use identify Sketch Area Select Derive LD
  • GeoCoder – developed for NIFC
    • Converts lat/long to T/R/S/Aliquot and vice-versa
  • Enter T/R/S/aliquot- coordinates returned
  • Enter coordinates – T/R/S/aliquot returned
    • Used for:
    • Fire
    • Wells
    • Pipelines
    • MC
    • Zoom to feature
  • File Conversion
  • GeoRSS feeds
    • GetLatLon and GetLatLonFeed
    • http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetLatLon?TRS=CO,06,001,0,S,074,0,W,001,SWNE,0
    • http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetLatLonFeed?TRS=CO,06,001,0,S,074,0,W,001,SWNE,0
    GetTRS and GetTRSFeed Methods The TownshipGeocoder web service’s GetTRS and GetTRSFeed methods return: A description of the smallest PLSS survey area intersecting a given coordinate. A GeoRSS point feature representing the input coordinate. A GeoRSS polygon feature representing the boundary of the intersecting PLSS survey area. http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetTRS?Lat=40&Lon=-105&Units=eDD&Datum=NAD83 http://www.geocommunicator.gov/TownshipGeocoder/TownshipGeocoder.asmx/GetTRSFeed?Lat=40&Lon=-105&Units=eDD&Datum=NAD83
  • References are available online
    • http://www.geocommunicator.gov
  • For Further Information
    • Contact Us!
    … or contact me! John Reitsma - [email_address] -(303) 236-1984