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Publications by Brown, L.F., Jr.

Title Publication Year Abstract Author Series Publisher
A stratigraphic datum, Cisco Group (Upper Pennsylvanian), Brazos and Trinity valleys, north-central Texas A stratigraphic datum, Cisco Group (Upper Pennsylvanian), Brazos and Trinity valleys, north-central Texas 1962

The Blach Ranch and Breckenridge limestone members of the Thrifty formation are the most persistent mappable rock units in the Cisco group of the Brazos and Trinity River valleys.

Brown, L.F., Jr. Report of Investigations Bureau of Economic Geology
Stratigraphy of the Blach Ranch -- Crystal Falls section (Upper Pennsylvanian), northern Stephens County, Texas Stratigraphy of the Blach Ranch -- Crystal Falls section (Upper Pennsylvanian), northern Stephens County, Texas 1960

Three mappable members in the upper part of the Thrifty formation (Blach Ranch limestone, unnamed shale, and Breckenridge limestone), two in the lower part of the overlying Harpersville formation (Quinn clay and Crystal Falls limestone), and six minor lentils, all in the outcropping Cisco group,

Brown, L.F., Jr. Report of Investigations Bureau of Economic Geology
A Review of Pennsylvanian Clay Mineral Industries, North-Central Texas A Review of Pennsylvanian Clay Mineral Industries, North-Central Texas 1959 Brown, L.F., Jr. Mineral Resource Circular Bureau of Economic Geology