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12. Geologic map of the Klamath Mountains, California and Oregon
13. Geologic map of the Montara Mountain and San Mateo 7-1/2ʹ quadrangles, San Mateo County, California
14. Geologic map of the Motoqua and Gunlock quadrangles, Washington County, Utah
15. Geologic map of the northern part of the Piceance Creek basin, northwestern Colorado
16. Geologic map of the Powder River Basin and surrounding area, Wyoming, Montana, South Dakota, North Dakota, and Nebraska
17. Geologic map of the Seaman Range, Lincoln and Nye counties, Nevada
18. Geologic map showing thickness of sedimentary rocks from ground surface to the top of the upper Cretaceous Pierre Shale in the north half of the Powder River Basin, southeastern Montana and northeastern Wyoming
19. Geologic maps of the Olympus Mons region of Mars
20. Geologic maps of the southwestern Puerto Rico Parguera to Guánica insular shelf
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