Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska

Stratigraphy, structure, and graptolites of an Ordovician and Silurian sequence in the Terra Cotta Mountains, Alaska Range, Alaska Churkin, Michael. creator Carter, Claire. text bibliography cau Menlo Park, CA Washington U.S. Geological Survey U.S. G.P.O. 1995 monographic eng p. cm. by Michael Churkin, Jr., and Claire Carter. Includes bibliographical references and index. n-us-ak Graptolites Alaska Terra Cotta Mountains Geology, Stratigraphic Silurian Geology, Stratigraphic Ordovician Geology Alaska Terra Cotta Mountians Animals, Fossil Alaska Terra Cotta Mountians Paleontology Silurian Paleontology Ordovocian QE840.5 .C48 1995 563/.993 I 19.16:1555 I 19.16:1555 94033018 DLC 940726 20160527194640.0 209955