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Porphyry gold; a supplement to U.S. Geological Survey bulletin 1693

Open-File Report 91-116

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Additional Publication Details

Publication type:
Report
Publication Subtype:
USGS Numbered Series
Title:
Porphyry gold; a supplement to U.S. Geological Survey bulletin 1693
Series title:
Open-File Report
Series number:
91-116
Edition:
-
Year Published:
1991
Language:
ENGLISH
Publisher:
U.S. Geological Survey,
Description:
7 p. :ill. (some col.), maps ;28 cm.