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Shale in Gasper formation with overlying Hartselle sandstone, Red Gap, just east of Gate City, northeast environs of Birmingham, the Red Gap fault, on which the movement causing the earthquake in 1914 took place, is near and along the highway. Jefferson County, Alabama. 1925. Plate 19 in U.S.Geological Survey. Folio 221. 1927
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Brierfield dolomite incrusted with characteristic fretwork of residual silica. Sixmile Creek about 1 mile northwest of the southwest corner of the Montevallo quadrangle. Bibb County, Alabama. 1924. Plate 6 in U.S. Geological Survey. Folio 226. 1940.
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Brallier shale, these thick beds are thinly laminated and break down into thin chips on weathering. Cut on Pennsylvania railroad about half a mile east of Huntingdon, looking north. Huntingdon County, Pennsylvania. 1924. Plate 20 in U.S. Geological Survey. Folio 227. 1945.
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Loyalhanna limestone resting on sandstone of the Pocono formation Allegripus, Blair County, Pennsylvania. 1904. Plate 7-A in US. Geological Survey. Bulletin 249. 1905.
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Looking south from Cobham Hill over surface of the dissected Harrisburg peneplain. Shows the even skylines due to peneplanation. Warren County, Pennsylvania. 1909. Figure 4 in U.S. Geological Survey. Folio 172. 1910.
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