SURFACE ROUGHNESS DATA ELEMENTS: SANDSTONE/SHALE/LIMESTONE
Irregularities
SRI: 5; Many large irregularities
Form
Steep dip of the rock strata to the east; sharp-crested ridges
Drainage
Trellis drainage system
Gully Characteristics
Minor gullies on the ridges join the tributary streams at right
angles
Color (Photo Gray Tones) Ridges are lighter in tone that the valleys; some banding
along the steep slopes
Land Use
Farming in valleys
Vegetation
Forested on the more gentle slopes
Relief
Ridges separated by valleys
Slope
Each ridge has a steeper slope on one side (west face) than
the other (east face)
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-92