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Publication Extents

Not all publications have extents, not all extents are completely accurate
Beryllium resources of the tin-spodumene belt, North Carolina
Wallace R. Griffitts
1954, Circular 309
Pegmatite dikes in the tin-spodumene belt of North and South Carolina uniformly contain about 0.05 percent BeO. The most abundant minerals in the pegmatite contain from 0. 0001 to 0.01 percent BeO. Beryl, having 12.0 to 12.3 percent BeO, is the only beryllium-rich mineral and contains more than 80 percent...
Records of wells drilled for oil and gas in New Mexico
G. H. Dixon, D.H. Baltz, T.F. Stipp, R.A. Bieberman
1954, Circular 333
Data concerning nearly 3,000 of the more than 13,000 wells drilled in New Mexico, before September 1, 1953, including unsuccessful wildcat and field extension wells and most of the discovery wells, have been compiled and are published in this circular. Although the search for oil and gas has extended to...