Title: Potential low-grade iron ore and hydraulic-fracturing sand in Cambrian sandstones, Northwestern Llano region, Texas
First published: 1964
Subjects: Iron ores, Sand, Sandstone, Geology, Stratigraphic, Stratigraphic Geology
Places: Llano County, Texas
Time periods: Cambrian
LC classification: QE167 .T42 no. 53