A guide to mineral collecting at Ouray, Colorado
Subtitle: with notes as to the history and geology
By: by Ervan F. Kushner
Publisher: publisher not identified
Published: 1972
Place of publication: Place of publication not identified]
Language: eng
Number of pages: 37
Copyright date: 1972
Subjects: Minerals; Collection and preservation
Notes: Map inserted at back.

Inscribed by author.

Bibliography: p. 37.