Gem trails of Colorado
By: by James R. Mitchell.
Publisher: Gem Guides Book Co.
Published: 1992
Place of publication: Baldwin Park, Calif
Language: eng
Number of pages: 125
Subjects: Precious stones -- Collection and preservation -- Colorado -- Guidebooks.; Minerals -- Collection and preservation -- Colorado -- Guidebooks.; Colorado -- Guidebooks.
Genres: Guidebooks.
Notes: Includes index.