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Publication Year
1962
Series
Report of Investigations
Abstract

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. These limestone beds occur above the complex post-Bunger deposits of the Graham formation and below an equally complex section of Harpersville rocks.

Publication Year
1962
Series
Report of Investigations
Abstract

Forty-three species belonging to 28 genera, 12 species of brachipods belonging to 8 genera, and 1 species of gastropods are described from the Morgan Creek, Point Peak, and San Saba Members of the Wilberns Formation in the Llano Uplift.

Publication Year
1962
Series
Report of Investigations
Abstract

The Pemberton Hill-Lewisville (T-2) terrace deposits of the Trinity River in Dallas and Denton Counties are divided into four consecutive members. Sixty-three vertebrates, 32 mollusks, and several insects and plants were collected from 3 members and are discussed in the report.