USGS OF 316
Title:Metallic mineral resources map of the Ruby 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 Ruby Quadrangle, Alaska: U.S. Geological Survey Open File Report: Technical Data Unit classification number 316, 5 p., 1 sheet.