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Outcrop of St. Louis limestone: east of Birmingham, showing brecciation. Schuyler County, Illinois. 1915. Figure 8 in U.S. Geological Survey. Folio 208. 1919.
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Cross bedding or false bedding of limestone in the Spergen and Warsaw formations exposed on Flour creek, 1 mile south Plymouth. Hancock County, Illinois. 1915. Figure 6 in U.S. Geological Survey. Folio 208. 1919.
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Exposure of Yarmouth (?) orange colored sands (in slope) separated from Illinoian till (at top) by a thin soil zone in road cut near Spring Creek. Emmet County, Illinois. 1915. Figure 9 in U.S. Geological Survey. Folio 208. 1919.
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Massive phase of the top bed of the Spergen and Warsaw formations, exposed on Camp creek near Eagle School, Bethel Township. McDonough County, Illinois. 1915. Figure 7 in U.S. Geological Survey. Folio 208. 1919.
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Murphysboro (Colchester or No. 2) coal and underlying beds in pit of Colchester Brick & Tile Co.: Colchester. McDonough County, Illinois. 1915. Figure 12 in U.S. Geological Survey. Folio 208. 1919.
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