A guide to mineral collecting at Ouray, Colorado
Subtitle: with notes as to the history and geology
By: by Ervan F. Kushner.
Edition: 2d ed., rev. and enl.
Published: 1973
Place of publication: [Paterson, N.J
Language: eng
Number of pages: 77
Subjects: Minerals -- Collection and preservation -- Colorado -- Ouray.
Notes: Bibliography: p. 77.