IN DEM TO PART V, 
Page. 
Allen, J. H. 8 
‘* mine, . 21, 26 
Alluvial gold washings, 27 
Amalgamators, é 13 
American Tin Company, . 67 
Ammonoosuc district, zee of . 35 
oe gold field, 7 
Analyses of limestones, - 85 
“ iron ores, - 62 
Ankerite, : - 2 
Apatite in rocks, - 94 
Arsenic, . . 68 
Arsenical pyrites, 26, 68 
Atwood gold mine, . 8, 26 
Auriferous conglomerate, - 20 
Banks lead mine, . 63 
Bartlett iron mine, . - 37 
Bedell gold mine, 19, 33 
Bennetts, Capt. 33, 43 
Bismuth, ‘ - 68 
Bog-iron ore, . 5 93 
Bowers’s mica quarry, 90 
Bricks, where made, 2 86 
Brick clay, Fi . 86 
Building materials, . 70 
Burke lead mine, 63 
Chimneys in quartz veins, - 9 
Chubb separator, . : 5 » 44 
Cleaveland, J. W. . . 5 “ 28 
Concentration of ores, . 43 
Concord, granite in + 70 
Cook and Brown mine, 20, 25 
Copper, ‘ 37 
“« veins, nature of . 38 
‘* in southern New Hampshire, 
49 
Page. 
Crosby process, 26 
Croydon mine, 50 
Discovery of gold, 8 
Dodge auriferous vein, II 
‘« Gold Company, 8 
Edgar, Capt. . P . 25,49 
Electro Gold Company, : é 10, 13 
Feldspar, A . 88 
F feepilliam polishing powder, 92 
Flags, . 82 
Fogg mine, 47 
Forsaith mine, 37 
Franconia mine, 56 
Galena in auriferous quartz, » 33 
Gardner Mountain Company saa 
38; map one 3 - 36 
Glass, 88 
Gold, 7 5 ; 4 
‘© amount of, mined in N. H., II 
‘* Ammonoosuc field, 2 7 
‘« mining, profitable, . 28 
ae “© cost of 30 
«« in conglomerate, 20 
«* in Enfield and Canaan, . 4 
‘“* in Quebec, 5 
“*  sulphurets, 23 
s¢ quartz, @ Il 
on Indian stream, : 5 
‘© quality of 12 
Gordon mine, . 2I 
Grafton company, 22 
