A partial report on the geology of western Texas, consisting of a general geological report and a journal of geological observations along the routes traveled by the expedition between Indianola, Texas, and the valley of the Mimbres, New Mexico, during the years 1855 and 1856; with an appendix giving a detailed report on the geology of Grayson County. By Prof. Geo. G. Shumard, Assistant State Geologist of Texas
vii, , 145 p. illus., 3 plates (2 fold. and col.) 25 cm.