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mods: Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania Meisler, Harold creator author. Geological Survey (U.S.) issuing body. Pennsylvania Department of Internal Affairs, sponsoring body. text bibliography dcu 1968 monographic eng remote 1 online resource (iii, 14 pages) : illustrations. by Harold Meisler and Albert E. Becher ; prepared in cooperation with the Pennsylvania Geological Survey, Department of Internal Affairs, Commonwealth of Pemmsylvania. Title from title screen (viewed September 15, 2014). Includes bibliographical references (pages 13-14). n-us-pa Carbonates Geology Pennsylvania Geology, Stratigraphic Cambrian Geology, Stratigraphic Ordovician Cambrian Geologic Period Carbonates Geology Geology, Stratigraphic Ordovician Geologic Period Pennsylvania From 425 to 570 million years ago fast I 19.3:1254-G I 19.3:1254-G Carbonate rocks of Cambrian and Ordovician age in the Lancaster quadrangle, Pennsylvania Meisler, Harold (OCoLC)1472451 Geological Survey bulletin ; 1254-G Contributions to stratigraphy https://purl.fdlp.gov/GPO/gpo68554 COP 140926 20211120174141.0 in00003797734 eng