234 INDEX TO PUBLICATIONS OF U. 8. GEOL. SURVEY, [bull. 215. 
Yellowstone River, Montana, flow of, measurement of Ann 22, 
iv, pp 289-290; WS 49, p 268; WS 66, p 22; WS 75, pp 122-123 
glaciation of valley of Ann 15, pp 97-98] 
topography of basin of Ann 13, in, pp 64-65 
Yentna beds of Alaska Ann 22, in, p 535 
Yonkers gneiss of New York City district GF 83, p 5 
York region, Alaska, gold in N and N, pp 132-138 
stream tin in, occurrence of MR 1900, pp 267-271; N and N, pp 136-137 
Youghiogheny River, Maryland, flow of, measurement of Ann 22, 
iv, p 220; WS 48, pp 176-177; WS 65, p 289; WS 75, p 99 
Youghiogheny River, Pennsylvania, abandoned channels along GF 82, p 4 
Yuba River, California, flow of, measurement of Ann 22, 
iv, pp 462-463; WS 51, pp 451-453, 480 
forest conditions in basin of PP 8, pp 96-158 
reconnaissance of, with reference to water supply WS 46, pp 39-54 
Yukon Basin, coal in Ann 22, m, pp 555-559; Bull 213, pp 276-283 
Yukon region, Alaska, placer gold mining in Bull 213, pp 46-48 
Yukon V alley, Alaska, natives of PP 10, pp 51-52 
Zinc, in Tennessee, Maynardville quadrangle GF 75, p 6 
ores of MR 1901, p 973 
statistics of MR 1900, pp 213-227; MR 1901, pp 211-223 
Zinc and lead, publications on Bull 213, p 218 
Zinc and lead deposits of Arkansas, northern Bull 213, pp 187-196 
of Missouri-Kansas, Joplin district Bull 213, pp 197-204 
of Ozark region, preliminary report on Ann 22, n, pp 23-227 
Zinc and manganese deposits of Franklin Furnace, New Jersey . .Bull 213, pp 214-217 
Zinc, lead, and fluorspar deposits of Kentucky, western Bull 213, pp 205-213 
Zinc white-, statistics of MR 1901, pp 913-914 
Zoisite, analysis of MR 1901, p 763 
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