Physical Characteristics of Commercial Sheet Muscovite in the Southeastern United States : Prepared under a cooperative agreement with the State of North Carolina and the Tenness...

von Jahns, Richard H.
Veröffentlicht 1950

Geology of the San Dieguito pyrophyllite area, San Diego County, California : By Richard H. Jahns and John F. Lance

von Jahns, Richard H.
Veröffentlicht 1950

Gem- and lithium-bearing Pegmatites of the Pala district, San Diego County, California : By Richard H. Jahns and Lauren A. Wright

von Jahns, Richard H.
Veröffentlicht 1951

Outlying deposits in Georgia

von Heinrich, E. WM.
Veröffentlicht in Heinrich, Eberhardt William Mica deposits of the southeastern Piedmont ; Pt. 9: Thomaston-Barnesville district, Georgia (1953)