The week-end rock hound /

Bibliographic Details
Main Author:	Ryan, A. H. (Alden Hoover)
Format:	Book
Language:	English
Published:	Pico Rivera, Calif. : Gem Guides Book Co., 1979
Edition:	2nd ed., rev.
Series:	Week-end series.
Subjects:	Minerals > Collection and preservation. Gem cutting > Amateurs' manuals. Jewelry making > Amateurs' manuals.