80 INDEX TO PUBLICATIONS OF U. S. GEOL. SURVEY. [bull.215. 
Colorado; geography of Anthracite-Crested Butte quadrangle GF 9, p 1 
geography of Elmoro quadrangle GF 58, p 1 
of La Plata quadrangle GF 60, p 1 
of Pikes Peak quadrangle GF 7, p 1 
of Pueblo quadrangle ... GF 36, p 1 
of Rico Mountains Ann 22, n, p 238 
of Spanish Peaks quadrangle G F 7 1 , p 1 
of Telluride quadrangle G F 57, p 1 
of Tenmile District quadrangle G F 48, p 1 
( »f Walsenburg quadrangle GF 68, p 1 
geologic and paleontologic invest igatii >ns in Ann 22, 
i, pp 82-85, 99; Ann 23, pp 3:5, 38; Bull 213, p 25 
gold and silver from, statistics of... MR 1900, pp 109-113; MR 1901, p 119 et seq 
Grand River, tlow of, measurement of Ann 22, iv, pp 388-392; WS 50, 
pp 375-377; WS 66, pp 92-93; WS 74, pp 128-132; WS 75, p 174 
< rrand River division, irrigation system of WS 74, pp 127-147 
granite production of MR 1900, 
pp 662, 663, 664, 665, 666; MR 1901, pp 643, 644, 651, 652, 653 
Green River, tributaries of, discharge of, measurement of WS 50, p 375 
Green River irrigation division, drainage, gagings, etc., in...WS 74, pp 146-147 
Gunnison River, How of, measurement of. Ann 22, iv, p 390; WS50, pp 378-379; 
WS 66, pp 93-95; WS 74, pp 132-135; WS 75, p 175 
gypsum from, statistics of MR 1900, pp 82S, 830; MR 1901, pp S46, 847 
iron and steel from, statistics of MR 1900, 
pp 43, 56, 57, 96; MR 1901, pp 45, 59, 63, 76, 91, 103 
irrigation in, system of WS 74, pp 20-147 
Lake Creek, flow of, measurement of Ann 22, iv, p 339; WS 74, pp 73-75 
hydrographic data relating to WS 50, pp 320-322 
lead from, statistics of MR 1900, p 196; MR 1901, p 201 
limestone in Spanish Peaks quadrangle GF 71, p 6 
limestone production of MR 1900, 
pp 662, 685, 686, 688; MR L901, pp 643, 644, 667, 668, 669, 670 
Los Pinos River, flow of. measurement of. Ann 22, iv, p 393; WS 50, pp 382-383; 
WS 66, pp 95-96; WS 74, pp 118-1 19, 126; WS 75, p 176 
Mancos River, Mow of, measurement of WS ">(>, 
PP 384-385; WS 66, pp 97-98; WS 74, pp 124-126 
manganiferous ores of, statistics of MR 1900, p 121; MR 1901, p 133 
maps, geologic and topographic, of. (See Map.) 
marble production of MR 1900, pp 683, 684; MR 1901, p 664 
mineral springs of MR 1900, pp 901, 903; MR 1901, pp 963, 964 
natural gas in, statistics of MR 1900, 
pp 634, 635, 637, 638; MR 1901, pp 617, 619, 620, 621 
northwestern, topography of a portion of Ann 9, pp 683-685 
oil field near Boulder Bull 213, pp 322-332 
Pearl, copper deposits of, reconnaissance examination of ...Bull 213, pp 163-169 
petroleum in, statistics of MR 1900, pp 540, 541 , 
542, 570-571; MR 1901, pp 530, 531, 532, 533, 559-563 
Piedra River, flow of, measurement of WS 74, pp 1 15-1 18 
platinum in Bull 193, p 57 
Platte River, flow of, measurement of WS 66, pp 29-30, 37-38 
Purgatory River, flow of, measurement of WS 74, pp 96-98 
rainfall in South Platte Basin WS 75, pp 131-137 
Rico Mountains, ore deposits of Ann 22, n, pp 229-397 
