PHOTO PATTERN DATA ELEMENTS: DRUMLIN
The Interior Lowlands- this area, known as the Niagara Cuesta, often called an outer
lowland, is adjacent and west of Lake Michigan, and is where the characteristic low,
gently rolling prairie topography prevails. The area was covered during continental
glaciation creating variations in topography from place to place, producing belts of small
hills. (Humid)
Form
Ridge, cigar-shaped, linear, low, slim groups of flattopped, steep-sloped, smooth, pointed ridges.
Drainage
Runoff in several directions, surface and internal
drainage excellent- no pattern.
Gully Characteristics
Sheet erosion, short, steep gullies; erosion is common
with excellent surface runoff.
Special Features
Cigar-shaped ridges.
Color (Photo Gray Tones)
Light on ridge crests where cultivated.
Land Use
Cultivated farmland, often with orchards where
granular soils exist.
Vegetation
Cleared for agriculture, orchards, pasture; some in
natural forest.
Source: Terrain analysis procedural guide for surface configuration, US Army engineer
topographic laboratories, p. 7-9