1. Adel Yale Public content 1951. 2011-12-12T21:26:31Z. 2022-03-29T20:39:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Iowa.
2. Alderpoint, Calif Yale Public content 1951. 2011-12-12T21:22:19Z. 2022-03-29T20:38:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
3. Alvord Mountain, Calif Yale Public content 1951. 2011-12-12T21:22:20Z. 2022-03-29T20:38:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
4. Arcadia, La. Yale Public content 1951. 2011-12-12T21:27:07Z. 2022-03-29T20:39:26Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Louisiana.
5. Avawatz Pass, Calif Yale Public content 1951. 2011-12-12T21:22:22Z. 2022-03-29T20:38:51Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. California.
6. Barclay, Mary-Del Yale Public content 1951. 2011-12-12T21:28:42Z. 2022-03-29T20:39:35Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Delaware and Maryland.
7. Bering Glacier (A-4) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1951. 2012-09-28T15:12:26Z. 2022-03-29T20:37:19Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
8. Betterton, Mary Yale Public content 1951. 2011-12-12T21:28:42Z. 2022-03-29T20:39:36Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Maryland.
9. Big Delta (A-6) quadrangle, Alaska : 1:63 360 series (topographic). Yale Public content 1951. 2012-09-28T15:06:17Z. 2022-03-29T20:37:13Z. Geological Survey (U.S.). Interior-Geological Survey. English. cartographic image. Public. Alaska.
10. Big Falls, Neb Yale Public content 1951. 2011-12-12T21:31:28Z. 2022-03-29T20:39:57Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Nebraska.