01246cam a22003371 4500 gs 20000192 DLC 20260227111324.0 750903s1919 mduabf b 000 0 eng gs 20000192 (OCoLC)1594979 DLC ViW DLC n-us-md QE121 .A215 vol. 7 QE654 .M26 Maryland Geological Survey. Cambrian and Ordovician [deposits of Maryland, by R. S. Bassler] Baltimore, The Johns Hopkins press, 1919. 424 p. illus., LVIII pl. (incl. fold. map) diagrs. 26 cm. At head of title: Maryland geological survey. "The seventh of a series of reports dealing with the systematic geology and paleontology of Maryland." Versos of some of the plates on which explanations are given are numbered as pages. Bibliography: p. 34-44. Geology Maryland. Geology, Stratigraphic Cambrian. Geology, Stratigraphic Ordovician. Fossils Maryland. Paleontology Cambrian. Paleontology Ordovician. Bassler, Ray S. (Ray Smith), 1878- 26004 26004