A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Origin and occurrence of gem stones in Washington
Gem stone varieties of Washington; crystalline quartz; chalcedonic quartz; opal; petrified wood; regions of State and their collecting possibilities; gem stone localities of Washington, by counties. (25¢)
Origin and occurrence of gem stones in Washington
Gem stone varieties of Washington; crystalline quartz; chalcedonic quartz; opal; petrified wood; regions of State and their collecting possibilities; gem stone localities of Washington, by counties. (25¢)
Origin and occurrence of gem stones in Washington
Washington, Dept Conservation Development -- Div Mines Geology -- Report Investigations
Glover, S.L. (author)
1949
32 pages
Bibliography
Report
English
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