Mineral Investigations Resource map

Call Number: 
USGS MR-
Author: 
Geological Survey (U.S.)
Publisher: 
Washington, D.C. ; Reston, VA : U.S. Geological Survey,
Date: 
1952-1992
Map Description: 
96 maps : col. ; folded in envelopes 30 x 24 cm.
Notes: 
Maps 1-3 have title:; Mineral investigations.; Resource appraisals map; Some maps have title:; Mineral investigations.; Resource map; Mineral investigations, resources map; Mineral investigations, resource appraisals map; Mineral investigations, resource map; MR series.
Keywords: 
Mines and mineral resources--Maps
Series: 
Mineral Investigations Resource Map
OCLC: 
80407150