by Richard H. Jahns
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Geology of southern California
Late pleistocene and recent deposits in ...
Geology, mining, and uses of strategic p...
Gem- and lithium-bearing pegmatites of t...
Geologic features of the Connecticut Val...
Mica deposits of the Petaca district
Mineral commodity report, talc and relat...
Mineralogical investigations on Jhansi p...
The origin of pyrophyllite-rectorite in ...
The development of an unfired pyrophylli...
Geology of the pyrophyllite and diaspore...
Talc, pyrophyllite, and magnesite in Wes...