warman.1 COLORADO. 81 
Colorado; Rio Grande, How of, measurement of Aim 22, iv, pp 347-349; 
VVS 66, pp 65-66; WS 74, pp 103-109; WS 75, p 153 
Rio Grande, seepage on, measurement of WS 50, p 306 
Rio Grande division, irrigation system of WS 74, pp L01-110 
run-off in WS 74, pp 1 4-10 
St. Vrain Creek, flow of, measurement of Ann 22, iv, p 325; WS 49, 
pp 288-289; WS 66, pp 34-35; WS 74, pp 42-46; WS 75, p 129 
seepage on, measurement of WS 50, p 304 
San Juan River and tributaries, flow of, measurement of Ann 22, 
iv, pp 392-394; WS 74, pp 112-115, 126 
San Juan division, irrigation system of WS 74, pp 111-126 
San Juan volcanic area Bull 1 82, pp 29-30 
San Miguel River, flow of, measurement of WS 74, pp 142-145 
sandstone in Spanish Peaks quadrangle GF 71 , p 6 
sandstone production of MR 1900, pp 662, 
670, 671, 672, 673; MR 1901, pp 643, 644, 656, <;:>7, 658, 659 
seepage in, computations of WS 50, pp 299-306 
measurements of WS 74, pp 65-66, 100, 109-110 
Silverton quadrangle, economic geology of Bull 182 
geology of, outline of Bull 182, pp 29-39 
South Boulder Creek, flow of, measurement of.. Ann 22, iv, p 323; WS 75, p 128 
South Platte division, irrigation system of WS 74, pp 21-70 
South Platte River, flow of, measurement of Ann 22, 
iv, pp 318-320, 327; WS 74, pp 23-36; WS 75, pp 127, 130 
gagings in basin of, miscellaneous WS 74, pp 63-64 
hydrography of basin of Ann 22, iv, pp 314-317; WS 49, pp 278-283 
seepage on, computations of WS 50, pp 300-303 
Spanish Peaks quadrangle, geology of GF 71 
topographic work in Ann 22, 
i, pp 137, 738, 157-158, 171; Ann 23, pp 129, 143, 144 
topography near Greeley WS 9, pp 10-13 
of Arkansas Valley Ann 17, n, pp 558-560 
of Arkansas River Basin Ann 13, in, pp 433-435 
of Battlement Mesa Forest Reserve Ann 20, v, pp 186-191 
of Buffalo Peaks, Mosquito Range Bull 1, p 12 
of Denver Basin Mon xxvn, pp 1-10 
of Great Plains, portion of Ann 16, n, pp 542-545 
of Leadville district Ann 2, pp 207-208; Mon xn, pp 3-6 
of Pikes Peak Forest Reserve Ann 20, v, pp 64-65 
of Pikes Peak quadrangle G F 7, pi 
of Platte River Basin Ann 13, in, pp 74-75 
of Plum Creek Timber- Land Reserve Ann 20, v, pp 74-75 
of Pueblo quadrangle GF 36, p 5 
of Rico Mountains Ann 22, n, pp 243-244 
of Rio Grande Basin Ann 12, n, pp 240-243 
of Silverton quadrangle Bull 182, pp 26-29 
of South Platte Forest Reserve Ann 20, v, pp 90-91 
of Spanish Peaks quadrangle GF 71 , pi 
of Telluride quadrangle Ann 18, in, pp 756-757; GF 57, p 1 
of Uinta Basin Ann 17, i, pp 920-922 
of Walsenburg quadrangle GF 68, p 1 
of White River Plateau Timber Reserve Ann 20, v, pp 119-121 
turquoise in MR 1901, p 760 
Bull. 215—03 
