Economic geology of the feldspar deposits of the United States,
Bastin, Edson S. 1878-1953.
Economic geology of the feldspar deposits of the United States, by Edson S. Bastin. - Washington, Govt. print. off., 1910. - 85 p. VIII pl. (incl. maps, partly fold.) 24 cm. - U.S. Geological survey. Bulletin 420 .
gs 10000169
Feldspar--United States.
QE75 / .B9 no. 420
Economic geology of the feldspar deposits of the United States, by Edson S. Bastin. - Washington, Govt. print. off., 1910. - 85 p. VIII pl. (incl. maps, partly fold.) 24 cm. - U.S. Geological survey. Bulletin 420 .
gs 10000169
Feldspar--United States.
QE75 / .B9 no. 420