Atlas to accompany monograph 31 on the geology of the Aspen district, Colorado
By: by Josiah Edward Spurr ; Samuel Franklin Emmons, geologist in charge.
Contributors: Spurr, Josiah Edward, 1870-1950.; Geological Survey (U.S)
Series: Geological Survey Monographs -- no. 31
Publisher: [s.n.]
Published: 1898
Place of publication: Washington
Language: eng
Subjects: Geology -- Colorado -- Aspen district -- Maps.
Other titles: Geology of the Aspen mining district.; Geology of the Aspen district, Colorado.; Atlas to accompany monograph 31 on the geology of the Aspen district, Colorado.
Notes: At head of title: Dept. of the Interior, U. S. Geological Survey, Charles D. Walcott, director.

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Atlas to accompany monograph 31 on the geology of the Aspen district, Colorado.