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Abbey, R., on yield of French Hill Claim, Stanislaus Co., Cal., table li.
Absorption, 91, 130, 132, 138.
Abutments for dams, 97.
Abyssinia, 16.
Aconcagua, Chili, 27.
Adkins, Consul, cited, 19.
Africa, 16, 17.
Air-valves—see Valves.
Aji River, India, 17.
Aktolik River and Valley, Siberia, 23, table lii.
Alatri, Italy, 158.
Alder Gulch, Montana, 40.
Allison Ranch Mine, Nevada Co., Cal., 48.
Altai, Siberia, 20, 22, table lii.
Alvarez, Expedition to Gulf of California, 42.
Amador Canal Company, Cal., tables xiii., xv., 270.
Amador County, Cal., 66.
Amalgam, 205, 249, 258, 266, tables xlii.-xlvi.
American Hill, Nevada Co., Cal., 49.
American Institute of Mining Engineers, Transactions of, 20, 70, table lii.
American Mine, Nevada Co., Cal., 180, 234, 270, table 1.
American River, Cal., 63, 65, 77, 95, 238, 239, 268, 269.
American Society of Civil Engineers, Transactions of, 119, 120, 174, 176, 213.
Amgun River, Siberia, 25.
Amur River, Siberia, 20, 25, table lii.
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Ancient alluvial gold deposits, Most, 33, 67.
Ancient river channels—see River channels.
Angles of repose and friction of embankment materials, 102.
" Annales des Mines," 70.
Appalachian gold-fields, 39.
Appendix A, 281.
Appendix B, 289.
Aquileia, Italy, 15.
Ararat, Australia, 31, table lii.
Area of available mining ground in California, 76, 77.
Area of wrought-iron pipes, 161.
Ariege River, France, 16.
Arrow, New Zealand, 36.
Asia Minor, 15.
Asiatic Islands, IS.
Asphaltum in California, 72.
Asphaltum coating for iron pipes, 167.
Atchinsk, Siberia, 20, 24, table lii.
Atrato River, U. S. of Colombia, 29.
Attaki, Egypt, 16.
Attwood, Melville, quoted, 203.
Auriferous slate formation in California,
65-Australasia, 30-37. Australia, 83, 205, table lii. Available mining ground in California,
76, 77-Ayacucho, Department of, Peru, 28. Ayakta River, Siberia, 24.
Babb Tunnel, Timbuctoo, Yuba Co.,
Cal., 232. Bache, Mt., Santa Clara Co., Cal., 60.
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