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Page 6035, results 150851 - 150875

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Borates in the United States, exclusive of Alaska and Hawaii
Ward C. Smith
1962, Mineral Investigations Resource Map 14
This map shows the location of borate deposits in the United States (exclusive of Alaska and Hawaii). Because all the known borate deposits of the United States of any historic or present economic importance occur in California, western Nevada, and southern Oregon, this map covers only the western part of...
Gypsum and anhydrite in the United States, exclusive of Alaska and Hawaii
Charles F. Withington
1962, Mineral Investigations Resource Map 33
The distribution of gypsum and anhydrite in the United States (exclusive of Alaska and Hawaii) is shown on the accompanying map. In addition to mines, open pits, and occurrences, the map shows the outcrop patterns of gypsum-bearing fomations and other outlines of the important evaporite basins in which gypsum and...
Lead in the United States, exclusive of Alaska and Hawaii
Edwin Thor McKnight, Allen Van Heyl, William Louis Newman
1962, Mineral Investigations Resource Map 15
The productive lead districts in the United States (exclusive of Alaska and Hawaii) are shown on the accompanying map. The map is at a scale of 1: 3,168,000, (50 miles to the inch). Only those districts known or believed to contain 1,000 short tons or more of lead are shown;...