warman] PETROLEUM PLEISTOCENE. 175 
Pinal schists of Arizona PP 12, pp 23-28 
Pine Nut Range, Nevada, geology of Bull 208, pp 120-125 
Pinon Range, Nevada, geology of .* Bull 208, pp 88-89 
Piscataqua River, Maine, hydrographic data concerning WS 69, p 116 
Pittsburg coal of Pennsylvania OF 82, pp 12-13, 14, 16 
Pittsburg sandstone of Pennsylvania and West Virginia Bull 65, p 63 
Place names in the United States, origin of Bull 197 
iPlacenticeratidse of the Cretaceous Mon xliv, pp 188-245 
Placer deposits of Alaska, Copper River district Copper, pp 90-91 
of Alaska, Seward Peninsula N and N, pp 96-99, 104-106, 137, 140-151 
of Oregon, Blue Mountains Ann 22, n, pp 634-638 
of Utah, Bingham Canyon Bull 213, pp 119-120 
Placer gold in Alaska, distribution and source of . Bull 213, pp 41-44 
Placer-gold mining in Alaska in 1902 Bull 213, pp 41-48 
Placer-gold output from Seward Peninsula, Alaska, in 1900 N and N, p 69 
Placers, beach, of Alaska, Nome region N and N, pp 85-91 
Placers, gravel-plain, of Alaska, Nome region N and N, pp 80-85 
Plants collected in Alaska, Seward Peninsula, in 1900 N and N, pp 167-174 
Plants, fossil, of John Day Basin Bull 204 
of Kansas, Upper Carboniferous and Permian Bull 211, pp 83-115 
Platinum, analysis of, from British Columbia, Tulameen River Bull 193, p 50 
analysis of, from New York, near Plattsburg Buil 193, p 57 
from Pacific coast Bull 193, p 56 
geological relations and distribution Bull 193 
in Wyoming, in copper ores Bull 213, pp 94-97 
ores of MR 1901, p 972 
statistics of MR 1900, pp 233-234; MR 1901, pp 231-233 
Platinum minerals in Oregon, Port Orford quadrangle GF 89, p 5 
Platinum nuggets, analyses of, from Borneo Bull 193, p 82 
analysis of, from French Guiana, Appronaguel Bull 193, p 62 
from various localities Bull 193, pp 18-19 
Platte River, flow of, measurement of WS 50, 
pp 307-308, 311; WS 66, pp 37-38, 39; WS 75, p 138 
Platte River and tributaries, flow of, measurement of Ann 22, 
iv, pp 306-331 ; WS 66, pp 26-41 
Pleasanton shales of Kansas and Iowa Ann 22, in, p 342 
Pleistocene clays, distribution of, east of Mississippi River PP 1 1 , pp 60-61 
of Indiana PP 11, pp 107-112 
of Maryland PP 11, pp 143-144 
of Massachusetts PP 11, p 151 
of Michigan PP 11, pp 156-157 
of New York PP 11, pp 175-177 
of Wisconsin PP 11, pp 266-271 
Pleistocene history of Catoctin belt of Maryland, Virginia, West Virginia Ann 14, 
ii, pp 380-382 
of Great Basin, northern part Ann 4, pp 462-464 
of Maine WS 69, pp 13-15 
of New York City district GF 83, p 3 
Pleistocene lakes of Great Basin, northern part Ann 4, pp 458-461 
of Oregon ( southern ) Ann 4, pp 458-461 
Pleistocene rocks; alluvial deposits in Iowa, northeastern Ann 11 , 
i, pp 234, 417-425 
