Information Circular. Zircon (The Gem). I.C. 6465. July, 1931. by United States Bureau of Mines. Youngman, E.P - 1931
by United States Bureau of Mines. Youngman, E.P
Information Circular. Zircon (The Gem). I.C. 6465. July, 1931.
by United States Bureau of Mines. Youngman, E.P
- Used
Washington, DC.: Burea of Mines. G. 1931.
- Bookseller Independent bookstores (US)
- Book Condition Used - G
- Publisher Burea of Mines
- Place of Publication Washington, DC.
- Date Published 1931
- Keywords Geology, Zircon, Gems