Progress Map

Geological survey map of Texas and parts of New Mexico, showing the portions of Texas examined by Steruwitz, Comstock, Cummins, Walker, Taff, and Kennedy (marked in red). The map also includes Indian Territory (present-day Oklahoma), county lines, towns, roads, railroads, and bodies of water.
Date: 1891
Creator: Dumble, E. T.
System: The Portal to Texas History