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12. Maps showing metallic mineral districts and mines in the Black Hills, South Dakota and Wyoming
13. Bedrock and engineering geologic maps of New York County and parts of Kings and Queens counties, New York, and parts of Bergen and Hudson counties, New Jersey
14. Geologic map of the Idaho National Engineering Laboratory and adjoining areas, eastern Idaho
15. Geologic map of the Klamath Mountains, California and Oregon
16. Geologic map of the Montara Mountain and San Mateo 7-1/2ʹ quadrangles, San Mateo County, California
17. Isopleth maps of iron, manganese, vanadium, and related elements in stream sediments of West Virginia
18. Isopleth maps of pH and alkalinity in stream waters, and sodium in stream sediments of West Virginia
19. Isopleth maps of titanium, aluminum, and associated elements in stream sediments of West Virginia
20. Isopleth maps of uranium, thorium, cerium, lanthanum, and related elements in stream sediments of West Virginia
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