INDEX.
313
Meld of gravel at La Grange, 74, 277, Yuba Co., Cal., 95, 124, 138, 140, tables xlii.-xlvi. table xiii., 206, 207, 226, 232, 273,
" of minimum pay of gravel, 76. tables 1., li.
" of top dirt at La Grange, 74. Yuba River, Cal., 77, 93, 95, 103, 114,
" of top dirt at the Polar Star 115, 235, 239, 245, 268. Mine, 75.
" of undercurrents—see Distribu- Zapaterito River, U. S. of Colombia, 29.
twit of gold in undercurrents. Zehya River, Siberia, 25.
" of sluices—see Distribution of Zipangu, Japan, 19.
gold in sluices. Zlataust, Russia, 22.