31. Minot, N.D. Yale Public content 1928. 2011-12-12T21:34:30Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
32. Mobile, Ariz Yale Public content 1928. 2011-12-12T21:21:39Z. 2022-03-29T20:38:46Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona.
33. Mt. Kearsarge, N.H. Yale Public content 1928. 2011-12-12T21:32:26Z. 2022-03-29T20:40:07Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Hampshire.
34. Naugatuck, W. Va-Ky. Yale Public content 1928. 2011-12-12T21:40:13Z. 2022-03-29T20:41:00Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Kentucky and West Virginia.
35. Nevada (Pershing County) Rochester Mining District Yale Public content 1928. 2021-09-17T18:37:40Z. 2021-09-17T18:37:40Z. Geological Survey (U.S.). U.S. Geological Survey. English. cartographic image. Public. Nevada, Pershing County, Rochester Region, Rochester Region (Nev.), Pershing County (Nev.), and Pershing County.
36. Newport News, Virg Yale Public content 1928. 2011-12-12T21:39:02Z. 2022-03-29T20:40:52Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Virginia.
37. Phillippi, W. Va. Yale Public content 1928. 2011-12-12T21:40:15Z. 2022-03-29T20:41:00Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. West Virginia.
38. Poughkeepsie, N.Y. Yale Public content 1928. 2011-12-12T21:33:48Z. 2022-03-29T20:40:15Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.
39. Puako Quadrangle, HI. Yale Public content 1928. 2011-12-12T21:25:10Z. 2022-03-29T20:39:10Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Hawaii.
40. Ravenswood, W. Va-Ohio Yale Public content 1928. 2011-12-12T21:40:16Z. 2022-03-29T20:41:00Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Ohio and West Virginia.