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Water, Discharge through orifices,
119. '' Discharge through pipes, table
xv., 174. " Discharge through triangular
notches, 120, 122. " Duty of the miner's inch, 268,
274, 277, 278, tables xlii.—
xlvi. " Erosion of material in, 236,
272. " Evaporation of, 92, 135, 143. " Plow in ditches, 130-134. " Flow in narrow and deep
ditches, 137. " Flow in open channels, 127. " Loss of, table vi., 132, 133,
134. 143. " Loss in distribution, 133. " Pressure on pipes, table xv.,
174, tables xlii.-xlvi. " Measurement of, irg-134. " Supply, Sources of, 91. " Suspension of material in,
240. " Transporting capacity of, 271. " Transporting power of, 271. " Wheel—see Hurdy-Gurdy. Wear of stones in running water, 236,
272. Weaver Lake Reservoir and Dam,
Nevada
Co., Cal., 93, 95, 104. Wei River, China, 19. Weight of wrought-iron
plate, 159. Weight of wrought iron in pipes, 161. Weirs, 119, 120.
Weisbach, Julius, cited, 119. Werchneudinsk, Siberia, table lii.
Werong, Mount, New South Wales,
33-We.stland District, New Zealand, 35,
36. Wheel—see Hurdy-Gurdy. White River, Cal., 66. Whitesides Claim, El Dorado Co.,
Cal., table li.
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Whitney, J D., cited, 53, 70, 276.
Whitney, Mount, Cal., 64.
Wilkes' Exploring Expedition, 45.
; Wilkinson, C. S., on auriferous coal
measures, 67. Wing dams, 48.
' Wood, Fossil, in California, 67. Wooden dams (see also Timber cribs),
96. Woodward Claim, Nevada Co., Cal.,
263. Woolsey Flat, Nevada Co., Cal., 234. Woolshed, Victoria, Australia, 73. Wright, P., Distribution of gold in
tail sluices, 253. Wrought-iron pipes—see Pipes and
nozzles. Wynaad Gold Fields, India, 17. Wyoming and Dakota Water Company, Dakota, 146, 147.
Yackandanah, Victoria, Australia, 73. Yenisei River, Siberia, 22. Yeniseisk, Northern Siberia, 20, 22,
table lii. Yeniseisk, Southern Siberia, 20, 23,
table lii. Yenashimo Valley, Siberia, 23, table
lii. Yesso, Japan, 20. Yield—see Product of gold. Yield from the auriferous deposits of
California, 42, 275, 277, 278, tables
xlii.-xlvi., 1., li., 28S. Yield of auriferous gravel—see Records of gold-washing.
" of the different gravel strata, 72,
74, 75-" of the different gravel strata at " North Bloomfield, 73, 74. " of the different gravel strata at
Patricksville, 74. *' of drifting and hydraulicking
at North Bloomfield, 84, 278. " of the Russian, Australian, and
Japan gold fields, 20, table lii.
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