Large, detailed, and brightly colored railroad map of Texas and what was to become Oklahoma. There is an inset "Plan of the Western Part of Texas, and the cartouche features a vignette of a steam engine. In the left margin and adjacent portion of the map is some old ink writing of interest, "Report of the Texas Pacific R.R. Co. Nov. 23d 1875. Building Stone - fine magnesian limestone resembling that quarried at Caen, France, soft at first but hardens by exposure. Lead found in places on Grindstone Creek Parker Co. Gypsum found in the largest deposit known to exist in the world, in the NW part of the state of Texas."