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Chart of general table of geologic divisions
Iowa River as a characteristic stream of the drift covered area, Old Capital Quarries, Iowa, late 1890s or early 1900s
Kansan topography, showing mature topography developed by erosional loess overlying Kansan drift; Coralville, Iowa, late 1890s or early 1900s
Located at Coralville, north of, S.W. 1/4 Section 32, T. 80 W. R..
Section (3) of Buchanan gravels folded and contorted by the Iowan Ice Sheet in the first Interurban cut, Iowa, late 1890s or early 1900s
Located north of the upper Interurban bridge.
Museum specimens, New Science Building, University of Iowa, late 1890s or early 1900s
Business district with sandstone hills and bed of Cenozoic -- Miocene, Hot Springs, South Dakota, late 1890s or early 1900s
People on stairway at""Devil's Backbone", Backbone State Park, Dundee, Iowa, late 1890s or early 1900s
Outlier of Niagaran limestone in Williams Quarry, Clermont, Iowa, late 1890s or early 1900s
Quarry with Niagaran Limestone and Le Claire limestone, Sugar Creek, Iowa, late 1890s or early 1900s
Columns of St. Croix sandstone, Iowa, late 1890s or early 1900s
Located on Lane's Farm, Twp. 100, NR. IV, Section 31, N.W. gr., N.W. 1/4.