11. Aylett, Virg Yale Public content 1918. 2011-12-12T21:38:43Z. 2022-03-29T20:40:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Virginia.
12. Aylett, Virg Yale Public content 1918. 2011-12-12T21:38:43Z. 2022-03-29T20:40:50Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Virginia.
13. Battle Creek Yale Public content 1918. 2011-12-12T21:29:16Z. 2022-03-29T20:39:42Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Michigan.
14. Bavarian Palatinate with Birkenfeld and part of Rhenish Prussia Yale Public content 1918. 2011-10-20T14:01:35Z. 2020-09-01T13:41:09Z. Great Britain. War Office. General Staff. Geographical Section, cartographer. War Office. English. cartographic image. Public. Rhineland-Palatinate (Germany).
15. Beardsley Yale Public content 1918. 2011-12-12T21:29:52Z. 2022-03-29T20:39:46Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Minnesota and South Dakota.
16. Belgian Congo = Congo Belge Yale Public content 1918. 2004-07-15T14:09:14Z. 2018-02-15T20:00:52Z. Great Britain. War Office. General Staff. Geographical Section, cartographer. Geographical Section, General Staff. English. Public. Congo (Democratic Republic).
17. Belvidere Yale Public content 1918. 2011-12-12T21:25:40Z. 2022-03-29T20:39:13Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Illinois and Wisconsin.
18. Big Hatchet Peak Yale Public content 1918. 2011-12-12T21:32:43Z. 2022-03-29T20:40:08Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. New Mexico.
19. Bladen, Ga. Yale Public content 1918. 2011-12-12T21:24:52Z. 2022-03-29T20:39:08Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Georgia.
20. Block diagram showing terrain of the Balkan Peninsula Yale Public content 1918. 2012-09-14T17:23:52Z. 2018-12-07T15:47:55Z. American Geographical Society. English. Public. Balkan Peninsula.