41. Bethel, Okla Yale Public content 1963. 2011-12-12T21:35:05Z. 2022-03-29T20:40:26Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Oklahoma.
42. Bieber, Calif Yale Public content 1963. 2011-12-12T21:22:25Z. 2022-03-29T20:38:51Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
43. Big Bend, Calif Yale Public content 1963. 2011-12-12T21:22:25Z. 2022-03-29T20:38:51Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
44. Big Delta (B-3) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1963. 2012-09-28T15:06:39Z. 2022-03-29T20:37:14Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
45. Big Delta (C-4) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1963. 2012-09-28T15:38:19Z. 2022-03-29T20:37:46Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
46. Big Delta (D-4) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1963. 2012-09-28T15:07:17Z. 2022-03-29T20:37:14Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
47. Big Horn Mts., Ariz Yale Public content 1963. 2011-12-12T21:21:11Z. 2022-03-29T20:38:43Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona.
48. Blind River - Elliot Lake area, Algoma District Yale Public content 1963. 2018-07-05T18:28:02Z. 2018-07-05T18:28:02Z. Ontario. Department of Mines. Ontario Dept. of Mines. English. cartographic image. Public. Ontario, Algoma (District), Blind River, Elliot Lake, Blind River., and Elliot Lake.
49. Bloomfield, N. Mex Yale Public content 1963. 2011-12-12T21:32:43Z. 2022-03-29T20:40:08Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico.
50. Blue, Ariz.-N. Mex Yale Public content 1963. 2011-12-12T21:21:13Z. 2022-03-29T20:38:44Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona and New Mexico.