USGS OF 317
Metallic mineral resources map of the Ophir Quadrangle, Alaska
Publisher:U.S. Geological Survey
Comments:This publication was reclassified with a new publication number in 1975; see below for the updated classification number.
Ordering Info:This publication is out of print. Reproductions may be available.
USGS Publications Warehouse
Cobb, E.H., 1968, Metallic mineral resources map of the Ophir Quadrangle, Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 317, 3 p., 1 sheet.
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