1. Sketch indicating the advancement of the surveys of the public lands and the military topographical and geographical surveys west of the Mississippi Yale Public content 1879. 2003-01-08T15:01:46Z. 2022-04-01T21:33:23Z. Geographical Surveys West of the 100th Meridian (U.S.), cartographer. U.S. Army Corps of Engineers. English. Public. West (U.S.).