41. Big Moose, N.Y. Yale Public content 1958. 2011-12-12T21:33:13Z. 2022-03-29T20:40:11Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.
42. Big Piney, Mo. Yale Public content 1958. 2011-12-12T21:30:31Z. 2022-03-29T20:39:51Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Missouri.
43. Blachly, Oreg Yale Public content 1958. 2011-12-12T21:35:22Z. 2022-03-29T20:40:28Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Oregon.
44. Black (A-1) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1958. 2012-09-28T15:21:00Z. 2022-03-29T20:37:29Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
45. Black (A-2) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1958. 2012-09-28T15:20:59Z. 2022-03-29T20:37:29Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
46. Black (B-1) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1958. 2012-09-28T15:21:27Z. 2022-03-29T20:37:30Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
47. Black (C-1) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1958. 2012-09-28T15:21:51Z. 2022-03-29T20:37:30Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
48. Black Mountain, Nev Yale Public content 1958. 2011-12-12T21:31:41Z. 2022-03-29T20:40:02Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Nevada.
49. Black Rock Spring, Wash Yale Public content 1958. 2011-12-12T21:39:14Z. 2022-03-29T20:40:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington.
50. Blackburn, Ala Yale Public content 1958. 2011-06-03T16:46:45Z. 2022-03-29T20:41:19Z. Geological Survey (U.S.). United States, Dept. of the Interior, Geological Survey. English. Public. Alabama.