Osann, Carl Alfred, 1859-1923.

Report on the rocks of Trans-Pecos Texas, by A. Osann; Trans-Pecos Texas, by W. H. Streeruwitz. - Austin, Texas, B.C. Jones & Company, state printers, 1893. - Cover-title, 121-175 p. fold. pl. 25 cm.

At head of title: Geological survey of Texas. "From fourth annual report, 1892," pt. I.

gs 05000339


Petrology--Texas.
Igneous rocks.
Geology--Texas.

QE445 / .O8