Iowa

Hawkeye Point
       7 ½’ quadrangle: Sibley East, IA
       Osceola County
       Private farm land; please ask permission of landowner if you visit.

Unconsolidated
1670 ft (509 m)


Corn blocks the "view" at Iowa’s high point. (1996)


Ocheyedan Mound. (1996)

Bedrock: No rock exposed at surface.

Underlying bedrock is likely Cretaceous.

Surficial Geology: Part of the Northwest Iowa Plains landform region. Glacial till with granite boulders. Nearby Ocheyedan Mound (elev. 1613 ft), an eroded knob of Cary (late Wisconsinan) glacial drift in a moraine left by the Des Moines lobe of ice, is a more prominent hill than the high point, and well worth a visit.

Soil Series: Clarion clay loam. Gently sloping, well drained soil, with upper black layer over dark brown to yellowish-brown subsoil, on knolls in uplands, developed on glacial till under prairie grasses. Well suited for crops such as corn and soybeans.

Selected References:

  • Iowa Geological Survey, 1988, Bedrock Geology and Bedrock Topography of Iowa.
  • Prior, Jean C., 1976, A Regional Guide to Iowa Landforms: Iowa Geological Survey Education Series 3, 72p.
  • Vobora, Robert J. and others, 1988, Soil Survey of Osceola County, Iowa, Soil Conservation Service, USDA.

Other suggested sources of information:


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