162 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull. 215. 
North Carolina; nickel in MR 1901, p 242 
Nolichucky River, hydrography of basin of WS 63, pp 105-115 
Nolichucky River and tributaries, flow of, measurement of. . . WS 49, pp 212-214 
Norfolk quadrangle, geology of GF 80 
Nottely River, flow of, measurement of WS 65, pp 307-308; WS 75, p 106 
phosphate rock in, statistics of MR 1900, pp 804, 805; MR 1901, p 813 
platinum in Bull 193, pp 34, 58-59 
quartz, rutilated, in MR 1901, p 751 
Roanoke River, flow of, measurement of Ann 22, 
iv, p 152; WS 48, pp 131-132; WS 65, pp 242-243; WS 75, p 54 
ruby mines in Bull 180, pp 39-46; MR 1901, p 741 
Saluda Creek and tributaries, flow of, measurement of WS 49, p 206 
sandstone production of MR 1900, 
pp 662, 670, 671, 672, 675; MR 1901, pp 644, 645, 656, 657, 658, 659 
sapphires Bull 180, pp 46-47 
soil of Norfolk quadrangle GF 80, p 4 
talc deposits of Bull 213, pp 433-438 
Talc and soapstone in, occurrence and statistics of MR 1900, 
pp 780-782, 783; MR 1901, p 777 
Tar River, flow of, measurement of Ann 22, iv, p 153; WS 48, pp 134-135 
topographic work in Ann 22, 
i, pp 137, 138, 141, 151, 152, 173; Ann 23, pp 127, 138 
cooperation of State in Ann 22, i, pp 20, 24-25, 29 
Tuckasegee River, flow of, measurement of Ann 22, 
iv, p 223; WS 48, pp 188-189; WS 65, pp 304-305; WS 75, p 104 
Tugaloo River tributaries, flow of, measurement of WS 49, p 206 
Watauga River and tributaries, flow of, measurement of WS 49, 
pp 215-216; WS 62, pp 77-95 
water power in WS 63, pp 125-127, 142, 150, 162, 173, 174 
Yadkin River, flow of, measurement of Ann 22,1 
iv, p 156; WS 48, pp 138-140; WS 65, pp 245-246; WS 75, p 57 
hydrography of basin of WS 49, pp 203-204; WS 63, pp 158-1691 
North Dakota; borings, deep, in, list of WS 61 , p 20 
cement from, statistics of MR 1900, p 737; MR 1901, pp 721, 722 
clay products of, statistics of MR 1900, p 695 et seq; MR 1901, p 674 et seq 
coal area and statistics of MR 1900, 
pp 277, 359, 412-413; MR 1901, pp 287 et seq, 408-41C 
coal field, summary of knowledge Ann 22, in, pp 456-45£ 
Devils Lake, fluctuations of, measurement of WS 66 p 14 
geologic and paleontologic work in Ann 22, i, p 8( 
Red River, flow of, measurement of WS 66, pp 11-K 
North Platte River, description of Ann 22, iv, pp 310-311 
flow of, measurement of Ann 22 1 
iv, pp 312-314; WS 49, pp 272, 274-278; WS 75, pp 125-12* 
Northwest Territory, platinum in Bull 193, p 5: 
Norton Bay region, Alaska, coal in N and N, p 21 
gold in N and N, pp 212-21! 
natives of N and N, p 21! 
reconnaissance in, in 1900 N and N, pp 181-21 
routes and means of transportation in N and N, pp 216-21 
sil ver in N and N, pp 213-21 
Norway, copper from, statistics of MR 1900, pp 184, 185; MR 1901, p 19 
emerald in MR 1901, p 74 
phosphate rock production of MR 1901, p 82 
