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22. Geologic map of the northwestern Caliente Range, San Luis Obispo County, California
23. Geologic map of the northwestern part of the Uncompahgre Uplift, Grand County, Utah, and Mesa County, Colorado, with emphasis on Proterozoic rocks
24. Geologic map of the Portage quadrangle, Cascade and Choteau counties, Montana
25. Geologic map of the southern Sheep Range, Fossil Ridge, and Castle Rock area, Clark County, Nevada
26. Geologic map of the Swisshelm Mountains, and a description of the development of the Swisshelm and Pedregosa Mountains, Cochise County, Arizona
27. Geologic map of the Twin Buttes quadrangle, McKinley County, New Mexico
28. Geologic map showing configuration of the bedrock surface, North Platte 1⁰ x 2⁰ quadrangle, Nebraska
29. Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming
30. Geologic map showing the thickness and structure of the Anderson-Wyodak coal bed in the south half of the Powder River Basin, northeastern Wyoming
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