wabman.] POTOMAC PULASKITE. 179 
Pratt (J. H. ), barytes, statistics of MR 1901, pp 915-919 
chromite or chromic iron ore, statistics of MR 1900, 
pp 897-898; MR 1901, pp 941-948 
corundum in United States, occurrence and distribution of Bull 180 
fluorspar and cryolite, occurrence, uses, and statistics of ...MR 1901, pp 879-885 
graphite, statistics of MR 1900, pp 875-877 
lithium, statistics of MR 1901, pp 239-240 
mica, statistics of MR 1901, pp 873-878 
monazite, statistics of MR 1901, pp 949-954 
nickel and cobalt, statistics of MR 1901 , pp 241-250 
strontium ores, occurrence of MR 1901, pp 955-958 
talc and soapstone, occurrence and statistics of MR 1900, 
pp 779-786; MR 1901, pp 773-780 
tungsten, molybdenum, uranium, and vanadium, occurrence and sta- 
tistics of MR 1900, pp 257-265; MR 1901, pp 261-270 
recious metals. (See Gold; Placer; Silver.) 
recious stones, statistics of MR 1900, pp 749-778; MR 1901, pp 729-771 
'recipitation. (See Rainfall.) 
'reunite, action of ammonium chloride on Bull 207, pp 25-26 
analysis of, from New Jersey, Paterson Bull 207, p 26 
'ressey (H. A.), hydrography of southern Appalachian Mountain region WS 62; 
WS 63 
observations on the flow of rivers in the vicinity of New York City WS 76 
method of using stream gagings for computation of water power. . WS 47, pp 10-15 
water powers of the State of Maine WS 69 
water supply of New York City GF 83, pp 18-19 
work in charge of Ann 22, i, pp 125, 126, 132; Ann 23, p 100 
resumpscot River, flow of, measurement of WS 65, pp 21-22; WS 75, p 22 
hydrographic investigations on WS 69, pp 91-104 
rice electric current-meter WS 56, pp 30-33 
rimary traverse and triangulation, results of, fiscal year 1901-2 Bull 201 
rince William Sound, Alaska, copper in •. Copper, pp 88-89 
glaciation in Copper, pp 81-82 
terraces of Copper, pp 75-76 
topography of Copper, pp 26-27 
"inceton conglomerate of West Virginia GF 77, p 3 
*olecanitid&e of America Mon xlii, pp 51-56 
onoritidre of America Mon xlii, pp 41-49 
ospect Mountain limestone and quartzite of Nevada Ann 2, 
pp 22, 27, 33; Ann 3, pp 253, 254; Bull 208, p 21 
'osser (C. S. ), work in charge of Ann 22, i, p 77; Ann 23, p 53 
•ovo River, Utah, flow of, measurement of Ann 22, iv, pp 
416-417; WS 51, pp 416-417; WS 66, pp 123-124; WS 75, p 195 
irrigation data relating to WS 52, pp 500-503 
eudoceratites of the Cretaceous Mon xliv 
eudotissotiidte of the Cretaceous Mon xliv, pp 34-41 
blic lands, amount, location, utilization, etc., of Ann 22, iv, pp 37-49 
blications of U. S. Geological Survey, printing and distribution of, laws and 
regulations governing Ann 23, pp 15-19 
of tJ. S. Geological Survey, 1880-1901, catalogue and index of .Bull 177 
1901-1903, catalogue of. (See pp. 9-31 of this bulletin.) 
get formation of Washington, coal fields Ann 22, in, p 484 
laski formation of Oregon GF 73, p 2 
«vf laskite, analysis of, from Arkansas, Fourche Mountain Bull 209, p 59 
