01558cam a22002891 4500 gs 13000808 DLC 20260227111315.0 870506s1913 mduaf 000 0 eng c gs 13000808 U.S. Geol. Survey. Libr./ICU ICU DLC n-us-md QE121 .A215 vol. 5, pt. 2 QE665 .M4 Maryland Geological Survey. Middle and Upper Devonian, text. Baltimore, The Johns Hopkins press, 1913. 5 p.l., [13]-720 p. LXXIII pl. (incl. fold. diagr. in pocket) diagrs. 26 cm. At head of title: Maryland geological survey. Plates VII-LXXIII, with the plates of the Lower Devonian, were issued in a separate volume under the title "Devonian plates." "The sixth volume of a series of reports dealing with the systematic geology and paleontology of Maryland." Preface.--The Middle Devonian deposits of Maryland, by C.S. Prosser, E.M. Kindle and C.K. Swartz.--Systematic paleontology of the Middle Devonian deposits of Maryland, by C.S. Prosser, E.M. Kindle, E.O. Ulrich and R.S. Bassler.--The Upper Devonian deposits of Maryland, by C.S. Prosser and C.K. Swartz.--Systematic paleontology of the Upper Devonian deposits of Maryland, by J.M. Clarke and C.K. Swartz.--General index.--Paleontological index. Geology Maryland. Paleontology Maryland. Geology, Stratigraphic Devonian. Paleontology Devonian. 25311 25311