Notes |
As of 10/20/2016, GPO could not validate the distribution status of this title for the FDLP. Map in pocket, Plate 1: Maps showing small-stream drainage basins in which fine alluvium contains threshold or greater amounts of an element, McCormick area, South Carolina, [1973] Map in pocket, Plate 2: Map showing small-stream drainage basins in which heavy-mineral concentrates contain one or more gold particles identified in the gold pan, or <20 parts per million determined by spectrographic analysis, McCormick area, South Carolina, [1973]. Map in pocket, Plate 3: Map showing small-stream drainage basins in which heavy-mineral concentrates contain a magnetic fraction >4.8 grams, McCormick area, South Carolina, [1973]. Map in pocket, Plate 4: Maps showing small-stream drainage basins in which the nonmagnetic fraction of heavy-mineral concentrates contains threshold or greater amounts of an element determined by spectrographic analysis, McCormick area, South Carolina, [1973]. Map in pocket, Plate 5: Maps showing small-stream drainage basins that provide the most favorable indication of underlying gold-copper-lead-and manganese-bearing rock, McCormick area, South Carolina, [1973]. "Stream alluvium, saprolite, and rock were used to evaluate statistically areas favorable for prospecting in the Carolina slate belt." "United States Department of the Interior, Geological Survey"--P. [ii]. Includes bibliographical references (pages 21-22). |