1. Albia Yale Public content 1929. 2011-12-12T21:26:31Z. 2022-03-29T20:39:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Iowa.
2. Averill, Vt.-NH. Yale Public content 1929. 2011-12-12T21:38:28Z. 2022-03-29T20:40:49Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Hampshire and Vermont.
3. Aztec, Ariz Yale Public content 1929. 2011-12-12T21:21:10Z. 2022-03-29T20:38:43Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona.
4. Balfour, N.D. Yale Public content 1929. 2011-12-12T21:34:22Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
5. Barton, Ala Yale Public content 1929. 2011-12-12T21:20:55Z. 2022-03-29T20:38:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Alabama.
6. Bend quadrangle, Oregon Yale Public content 1929. 2011-05-31T20:03:36Z. 2015-10-21T15:00:08Z. Geological Survey (U.S.). The Survey. English. Public. Deschutes National Forest (Or.) and Oregon.
7. Benedict, N. Dak Yale Public content 1929. 2011-12-12T21:34:22Z. 2022-03-29T20:40:22Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. North Dakota.
8. Berlin, Penn Yale Public content 1929. 2011-12-12T21:36:04Z. 2022-03-29T20:40:32Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Pennsylvania.
9. Buck Mountains, Ariz Yale Public content 1929. 2011-12-12T21:21:15Z. 2022-03-29T20:38:44Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Arizona.
10. Byrdstown, Ky.-Tenn Yale Public content 1929. 2011-12-12T21:26:50Z. 2022-03-29T20:39:24Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Kentucky and Tennessee.