Geology and ore deposits of the La Plata district, Colorado
By: by Edwin B. Eckel with sections by J. S. Williams, F. W. Galbraith and others. Prepared in cooperaton with the Colorado State Geological Survey Board and the Colorado Metal Mining Fund.
Publisher: U.S. Govt. Print. Off.
Published: 1949
Place of publication: Washington
Language: eng
Number of pages: 179
Subjects: Geology -- Colorado -- La Plata district.; Ore deposits -- Colorado -- La Plata district.
Notes: Bibliographical footnotes.
Part of illustrative matter folded in pocket.