00836nam a22002291 4500 gs 05000272 DLC 20260227111300.0 870504s1900 mduabf 00010 eng c gs 05000272 //r87 Library, U.S. Geol. survey/ICU ICU n-us-md QE654 .W73 Willis, Bailey, 1857-1949. The Appalachian region. Paleozoic Appalachia, or, The history of Maryland during Paleozoic time; by Bailey Willis ... Baltimore, John Hopkins press, 1900. 4 p.l., [23]-93 p. illus., XII pl. (incl. fold. maps) 26 cm. At head of title: Maryland Geological survey. "Special publication, volume IV, part I." Geology, Stratigraphic Paleozoic. Geology Maryland. 24186 24186