http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Coal fields of Grand Mesa and the West Elk Mountains, Colorado
1 online resource (237 pages, xxi pages of plates) : illustrations, color map.
At head of title: Department of the Interior, United States Geological Survey.
Title from title screen (viewed June 1, 2015).
Includes bibliographical references and index.
Lee, Willis T. (Willis Thomas), 1864-1926.
Washington, Government Print. Off., 1912
Bulletin (Geological Survey (U.S.)) ; no. 510