SURFACE ROUGHNESS DATA ELEMENTS: SANDSTONE/SHALE/LIMESTONE
Irregularities
SRI: 6; Many closely spaced, large irregularities
Form
Steep dip of strata to the east; sharp-crested ridges with a
saw toothed outline
Drainage
Streams flow parallel to the ridges, headwater drainage
flows down dip; complex parallel, trellis drainage system
Color (Photo Gray Tones) Ridges are lighter in tone that the valleys; some banding
along the steeper slopes
Vegetation
Vegetation is sparse
Relief
Ridges separated by valleys
Slope
Each ridge has a steeper slope (west face) than the other
(east face)
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-92