Report on the rocks of Trans-Pecos Texas - Osann, Carl Alfred, 1859-1923.; Streeruwitz, W. H. von. (Austin, Texas, B.C. Jones & Company, state printers, 1893)
At head of title: Geological survey of Texas.
"From fourth annual report, 1892," pt. I.
Keywords: Petrology -- Texas; Igneous rocks; Geology -- Texas