This field book documents G. A. Cooper's paleontological and geological field work at Glass Mountain in west Texas, from July 14 - August 3, 1959. Cooper describes stratigraphy of sites visited (with sketches and measurements of layers) and notes fossils found or commonly found at various levels. Fusulines, various genera of brachiopoda, and possibly other types of fossils were found. There are also references to barometric readings. Locations include but are not limited to Wolf Camp Hills, Chinati Mountains, and Sierra Diablo Mountains. The maps contain alphanumeric codes corresponding to a locality. Cooper uses these codes throughout his notes to refer to localities. Some coordinates are included. Pages 0539-0564.
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