Notes on the geology of northwest Texas,
Cummins, W. F. 1840-1931.
Notes on the geology of northwest Texas, by W.F. Cummins ... - Austin, B.C. Jones & co., state printers, 1893. - 177-238 p. illus. 25 cm.
Cover-title. At head of title: ... Geological survey of Texas ... "From fourth annual report, 1892," pt. I.
gs 05000340 //r90
Geology--Texas.
Mines and mineral resources--Texas.
QE167 / .C8
Notes on the geology of northwest Texas, by W.F. Cummins ... - Austin, B.C. Jones & co., state printers, 1893. - 177-238 p. illus. 25 cm.
Cover-title. At head of title: ... Geological survey of Texas ... "From fourth annual report, 1892," pt. I.
gs 05000340 //r90
Geology--Texas.
Mines and mineral resources--Texas.
QE167 / .C8