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Cox, G. H., Dake, C. L., and Muilenburg, G. A., 1921, Field Methods in Petroleum Geology: McGraw Hill, New York, 305 p.
Girty, G. H., 1915, Invertebrate Paleontology, The Stratigraphy of the Pennsylvanian Series in Missouri: Missouri Bureau of Geology and Mines, v. 13, p. 263-375
Hinds, Henry, and Green, F. C., 1915, Stratigraphy of the Pennsylvanian Series of Missouri: Missouri Bureau of Geology and Mines, vol. 13, 2d ser., 407 p.
Hinds, Henry, and Greene, F. C., 1917, Geologic Atlas of the United States, Leavenworth-Smithville Folio, Missouri-Kansas: U.S. Geological Survey
Moore, R. C., 1932, Guidebook, Sixth Annual Field Conference: Kansas Geological Society, p. 80-97
Newell, N. D., 1935, The Geology of Johnson and Miami Counties, Kansas: Kansas Geological Survey, Bulletin 21, Part 1, pp. 1-150
Tilton, J. L., 1920, The Missouri Series in Southwestern Iowa: Iowa Geological Survey, v. 29, p. 223-314
Kansas Geological Survey, Wyandotte County Geology
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Web version June 2004. Original publication date May 1935.