1899. 2011-05-27T18:21:19Z. 2011-05-27T18:21:19Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Wyoming, Goshen County (Wyo.), Laramie County (Wyo.), and Nebraska.
1899. 2011-05-23T18:44:16Z. 2015-10-21T14:59:46Z. U.S. Geological Survey. English. Public. Carroll County (Ill.), Clinton County (Iowa), Henry County (Ill.), Illinois, Iowa, Rock Island County (Ill.), Scott County (Iowa), and Whiteside County (Ill.).
1899. 2011-05-23T20:02:53Z. 2015-10-21T14:59:48Z. Geological Survey (U.S.). U.S. Geological Survey. English. Public. Breathitt County (Ky.), Kentucky, Magoffin County (Ky.), Menifee County (Ky.), Morgan County (Ky.), and Wolfe County (Ky.).
1899. 2018-02-15T19:27:20Z. 2018-09-05T19:51:09Z. Zerolo, Elias, cartographer. Garnier frères. French. cartographic image. Public. Transvaal (South Africa) and Free State (South Africa).