174 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull. 215. 
Petroleum in West Virginia, Charleston quadrangle GF 72, p 6 
methods of burning Bull 212, pp 162-165 
origin of, theories of Bull 212, pp 137-140 
pools of Gulf Coastal Plain, geology of Bull 212, pp 68-137 
properties, physical and chemical, of the Texas-Louisiana. .Bull 212, pp 146-157 
specific gravity of, from various fields Bull 212, pp 146-147 
statistics of . _~ MR 1900, pp 537-627; MR 1901, pp 525-611 
storage and transportation of the Beaumont Bull 212, pp 165-166 
tests of coal and, for locomotive fuel ' Bull 212, pp 161-162 
utilization of, of the Gulf coast Bull 21 2, pp 157-170 
Petroleum rock in Texas, Beaumont district, Spindletop, character of Bull 212, 
pp 70-71 
Petroleum sand in Ohio, Cadiz quadrangle Bull 198 
Petroleum wells, cost of, items affecting, in Gaines field, Pennsylvania Ann 22, 
in, p 605 
drilling of, methods and cost of Bull 212, pp 166-170 
production of, methods of increasing Ann 22, in, pp 602-604 
shooting of, production increased by Ann 22, in, pp 602-604 
Petroleum and gas fields of Western Interior and northern Texas Coal Meas- 
ures, and of the Upper Cretaceous and Tertiary of western 
Gulf coast Bull 184 
Petroleum, gas, and asphalt in Indiana, southwestern Bull 213, pp 333-335 
publications on Bull 213, p 356 
Petrology, bibliography of North American, 1892-1900, 1901 Bull 188; Bull 203 
index to North American, 1892-1900, 1901 Bull 189; Bull 203 
Phelps sandstone of Ozark region Ann 22, n, p 85 
Philippine Islands, petroleum in, occurrence of MR 1900, p 622; MR 1901, p 609 
Phlogopite, action of ammonium chloride on Bull 207, pp 51-52 
analysis of, from Canada, Burgess Bull 207, p 52 
Phonolite, analyses of, from Colorado, Cripple Creek district Ann 16, n, p 39 
Phosphate, publ ications on Bull 213, p 426 
Phosphate, Tennessee white, origin and extent of Bull 213, pp 418-425 
Phosphate rock, statistics of. MR 1900, pp 803-814; MR 1901, pp 811-822 
Phosphorus, distribution of, in iron formation in Minnesota, Mesabi dis- 
trict Mon xliii, pp 274-275 
Phyllite, analysis of, from Vermont, Ascutneyville Bull 209, p 118 
thin section of, from Vermont, Ascutney Mountain Bull 209, p 16 
Phyllitic series of Vermont, Mount Ascutney Bull 209, pp 14-17 
Physics and chemistry, work in Ann 22, i, pp 133-135; Ann 23, pp 119-121 
Physiographic history of Kentucky, central GF 77, pp 1-2 
of West Virginia, Raleigh quadrangle GF 77, p % 
Physiography of Alaska, Copper River district Copper, pp 62-76 
of Alaska, Seward Peninsula N and N, pp 48-64 
of Appalachian Mountain region, southern WS 62, pp 11-15 
of Central America Ann 22, iv, pp 513-516 
of Idaho, Nez Perce region WS 53, pp 51-85 
of Minnesota, Vermilion district Mon xlv, pp 34-46 
Piedra River, Colorado, flow of, measurement of WS 74, pp 115-118 
Pierre shale of Colorado GF 71, pp 1, 1 
of South Dakota GF 85, p 4 
Pigeon Point, Minnesota, eruptive and sedimentary rocks on Ann 15, pp 101-103 
Pigeon River, Tennessee, flow of, measurement of WS 48, p 188; WS 65, pp 302-303 
Pike County, Arkansas, asphalt deposits of Bull 213, pp 353-355 
Pilot Mountains, Nevada, geology of Bull 208, pp 103-105 
