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Collection: Calvin Geological Photographs
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West side of the Lake Calvin Basin seen from the heights north of Columbus Junction, Iowa, June 14, 1924
Lake Calvin is now known as Goose Lake.
West side of the Lake Calvin Basin seen from the heights north of Columbus Junction, Iowa, June 14, 1924
Looking North. Lake Calvin is now known as Goose Lake.
Erosion in till and loess, Cass Township, Iowa, July 18, 1924
Located in Cass Twp., middle of north line of south section 6, just west of Panora.
Top picture: Dodgeville peneplain at an elevation of 1260 ft., Asbury, Iowa, 1920s. Bottom picture: Lancaster peneplain northeast of Waukon, Iowa, 1920s
Dean G.F. Kay's car, after wind storm
Chariton, Tourist Park
Granite boulder, 24x21x10 feet, Union Township, Iowa, June 20, 1924
Located in Union Twp., Section 23, south half of S.E. quarter.
Iowan Drift area topography, Spring Rock Township, Iowa, June 18, 1925
Located in Spring Rock Twp. on the middle of line between sections 6 and 7.
Kansan topography, Welton Township, Iowa, June 18, 1925
Located in the middle of section 4 of Welton Township.
Two tills and two loesses, Iowa, June 18, 1925
Located in the west of corner of sections 20, 21, 28, and 29.
Iowan Drift area topography, Boulder Township, Iowa, June 19, 1925
Located in Boulder Twp., corner of sections 1, 2, 11, and 12.
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