491. Refugio, Tex Yale Public content 1956. 2011-12-12T21:37:48Z. 2022-03-29T20:40:45Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Texas.
492. Renfrew, Renfrew and Lanark counties, Ontario [cartographic material] Yale Public content 1956. 2012-10-03T15:13:02Z. 2013-03-18T22:21:38Z. Geological Survey of Canada. Geological Survey of Canada. English. Public. Ontario, Renfrew Region, Lanark (County), and Renfrew (County).
493. Riceville, Virg Yale Public content 1956. 2011-12-12T21:39:04Z. 2022-03-29T20:40:52Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Virginia.
494. Ridgeway, N.Y. Yale Public content 1956. 2011-12-12T21:33:50Z. 2022-03-29T20:40:15Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New York.
495. Ripley, Miss Yale Public content 1956. 2011-12-12T21:30:23Z. 2022-03-29T20:39:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Mississippi.
496. Roads [Great Britain] Yale Public content 1956. 2002-06-01T04:00:00Z. 2020-08-14T18:08:32Z. Great Britain. Ordnance Survey. The Survey. English. Public. Great Britain.
497. Robstown, Tex Yale Public content 1956. 2011-12-12T21:37:48Z. 2022-03-29T20:40:45Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Texas.
498. Rockinstraw Mtn., Ariz Yale Public content 1956. 2011-12-12T21:21:48Z. 2022-03-29T20:38:47Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona.
499. Rockport, Tex Yale Public content 1956. 2011-12-12T21:37:49Z. 2022-03-29T20:40:45Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Texas.
500. Rocky Brook, ME. Yale Public content 1956. 2011-12-12T21:28:29Z. 2022-03-29T20:39:34Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maine.