51. Bladenboro, N.C. Yale Public content 1958. 2011-12-12T21:34:10Z. 2022-03-29T20:40:17Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Carolina.
52. Blue Butte Yale Public content 1958. 2011-12-12T21:25:13Z. 2022-03-29T20:39:10Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Idaho.
53. Blue River, 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.
54. Boise Yale Public content 1958. 2011-12-12T21:25:14Z. 2022-03-29T20:39:11Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Idaho.
55. Bonita, La. Yale Public content 1958. 2011-12-12T21:27:11Z. 2022-03-29T20:39:26Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Louisiana.
56. Boulder Lake, N. Mex Yale Public content 1958. 2011-12-12T21:32:43Z. 2022-03-29T20:40:08Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico.
57. Brewster quadrangle : New York - Connecticut Yale Public content 1958. 2012-11-12T16:34:15Z. 2013-03-18T22:27:30Z. Geological Survey (U.S.). Geological Survey. English. cartographic image. Public. Brewster (N.Y.), Putnam County (N.Y.), and Fairfield County (Conn.).
58. Brewster, Wash Yale Public content 1958. 2011-12-12T21:39:16Z. 2022-03-29T20:40:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington.
59. Bridal Veil, Wash-Ore Yale Public content 1958. 2011-12-12T21:39:16Z. 2022-03-29T20:40:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Oregon and Washington.
60. Bridgeport, Wash Yale Public content 1958. 2011-12-12T21:39:16Z. 2022-03-29T20:40:53Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Washington.