Ordovician and Silurian coral faunas of western United States
Subtitle: a guide for the differentiation of early Paleozoic faunules
By: by Helen Duncan.
Contributors: Geological Survey (U.S.)
Series: Geological Survey bulletin -- 1021-F; Contribution to general geology; Contributions to general geology
Publisher: U.S. G.P.O.
Published: 1956
Place of publication: Washington
Language: eng
Number of pages: 236
Subjects: Paleontology -- Ordovician.; Paleontology -- Silurian.; Paleontology -- West (U.S.); Corals, Fossil.
Notes: Includes bibliographical references and index.