After a century
Subtitle: revised Paleogene coal stratigraphy, correlation, and deposition, Powder River Basin, Wyoming and Montana
By: by Romeo M. Flores ... [et al.].
Series: Professional paper -- 1777
Publisher: U.S. Dept. of Interior, U.S. Geological Survey
Published: 2010
Place of publication: Reston, Va
Language: eng
ISBN-13: 9781411329355
Notes: Includes bibliographical references.