PUBLICATIONS ON OIL, GAS, AND ASPHALT. 
The following list contains the more important papers relative to 
oil, gas, and asphalt published by the United States Geological Sur- 
vey or by members of its staff : 
Adams, G. T. Oil and gas fields of the western interior and northern Texas 
coal measures, and of the Upper Cretaceous and Tertiary of the western Gulf coast. 
Bulletin U. S. Geol. Survey No. 184, 64 pp. 1901. 
Eldridge, G. H. The Florence oilfield, Colorado. In Trans. Amer. Inst. Min. 
Eng., Vol. XX, pp. 442-462. 1892. 
— The uintaite (gilsonite) deposits of Utah. In Seventeenth Ann. Rept. 
U. S. Geol. Survey, Pt. I, pp. 909-949. 1896. 
— The asphalt and bituminous rock deposits of the United States. In 
Twenty-second Ann. Rept. U. S. Geol. Survey, Pt. I, pp. 209-452. 1901. 
Fuller, M. L. The Gaines oil field of northern Pennsylvania. In Twenty- 
second Ann. Rept. U. S. Geol. Survey, Pt. Ill, pp. 573-628. 1902. 
Griswold, W. T. The Berea grit oil sand in the Cadiz quadrangle, Ohio. 
Bulletin U. S. Geol. Survey No. 198, 43 pp. 1902. 
Hilgard, E. W. The asphaltum deposits of California. In Mineral Resources 
U. S. for 1883-1884, pp. 938-948. 1885. 
McGee, W J. Origin, constitution, and distribution of rock gas and related 
bitumens. In Eleventh Ann. Rept. U. S. Geol. Survey, Pt. I, pp. 589-616. 1891. 
Phinney, A. J. The natural gas field of Indiana. In Eleventh Ann. Rept. 
U. S. Geol. Survey, Pt. I, pp. 617-742. 1891. 
Richardson, C. Asphaltum. In Mineral Resources U. S. for 1893, pp. 626-669. 
1894. 
Vaughan, T. W. The asphalt deposits of western Texas. In Eighteenth Ann. 
Rept. U. S. Geol. Survey, Pt. V, pp. 930-935. 1897. 
Willis, B. Oil of the northern Rocky Mountains. In Eng. Min. Jour., Vol. 
LXXII, pp. 782-784. 1901. 
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