1. Archaeological Site Potential
within the Dominguez-Escalante
National Conservation Area
GeCo in the Rockies
September, 2014
By Seth Frame

4. Grand Junction
Field Office
487 Sites
Uncompahgre Field
Office
208 Sites
State Historical
Preservation Office
1638 Sites and Isolates
Assembling the Data…

5. 679 Archaeological Sites

6. Topographic Variables
Ecological Variables
Cultural Variables
Site and Survey Information
Biological
Variables
--------->

7. Straight Distance to
Permanent Water
In Meters
Cost Distance to Permanent
Water
In Hours

8. Tobler’s Hiking Function
• TIME(HOURS)TOCROSS 1 Meter or the reciprocal of Meters per Hour =
0.000166666*(EXP(3.5*(ABS(TAN(RADIANS(slope_deg))+.05))))

9. Topographic Variables
Ecological Variables
Cultural Variables
Site and Survey Information
Biological
Variables
--------->

10. 21,845
Model points:
Created at an 1/8th
mi interval.
 
3,793
Non-Site points:
Within surveys
but outside site
boundaries.
679
point selection:
Random selection
of non-site points.

11. Factor Analysis…

12. Sensitivity Models…
Analytical Historic
Sensitivity Model
Prehistoric
Sensitivity Model
All Site Sensitivity Model
Traditional Historic
Sensitivity Model

13. Prehistoric Sensitivity Model
Sensitivity
Area
Survey
Acreage
(mi²)
Sites Site
Density
per
Mile²
Average
Site
Acreage
High 5,134
(8)
99 12.3 10
Medium 7,942
(12)
195 15.7 3.2
Low 26,995
(42)
276 6.5 1.7

16. Analytical Historic Sensitivity Model
Sensitivity
Area
Survey
Acreage
(mi²)
Sites Site
Density
per
Mile²
Average
Site
Acreage
High 6,535
(10)
28 2.7 4.4
Medium 11,512
(18)
40 2.2 4.1
Low 22,124
(35)
41 1.2 2.0

18. All Site Sensitivity Model
Sensitivity
Area
Survey
Acreage
(mi²)
Sites Site
Density
per
Mile²
Average
Site
Acreage
High 3,840
(6)
78 13 11.4
Medium 10,944
(17)
262 15 2.8
Low 25,258
(39)
339 9 2.3

19. Traditional Historic Sensitivity Model
Sensitivity
Area
Survey
Acreage
(mi²)
Sites Site
Density
per
Mile²
Average
Site
Acreage
High 16,028
(25)
49 2.0 5.5
Medium 4,627
(7)
16 2.2 1.3
Low 19,692
(31)
44 1.4 2.7

20. Analytical Model Traditional Model

21. Thank you
Rand Greubel
Jon Horn
Matt Landt
Jack Pfertsh
Charlie Reed
The Grand Junction and Uncompahgre BLM Field offices
The rest of the staff at Alpine Archaeological Consultants