92 



fe.. ^ 



Furnace flux, 78, 79, 80, 81, 82. 

 Funiaceville Iron Co., 46, 49, 52. 



Garbutt, gypsum, 41, 43. 



Garnet, 8, 9-13, 34-37. 



Gas, see Natural gas. 



Genesee county, crushed stone, 79; 

 drain tile and sewer pipe, 30; gyp- 

 sum, 39, 41 ; limestone, 78, 80, 81, 

 82; mineral waters, 54; natural 

 gas, 59, 60. 



Genesee Salt Co., 67. 



German American Roofing Tile 

 Co., 30. 



Geysers Natural Carbonic Gas Co., 



Glacial clays, 23. 



Glass sand, 9-13. 



Glens Falls, feldspar, 34 ; limestone, 

 83 ; sand-lime brick, 69. 



Gneiss, yy. 



Gold sands, in the Adirondacks, 16- 

 20. 



Gouverneur, limestone, 80; marble, 

 82, 83. 



Granger, petroleum, 60. 



Granite (village), millstones, 51. 



Granite, 9-13, 75, 76-7S. 



Granite Brick Co., 69. 



Grant Brick Co., 69. 



Granville Slate Co., 72. 



Graphite, 8, 9-13, 37-38. 



Great Bear spring, 54. 



Greene county, bluestone, 84; brick, 

 27, 29 ; clay industry, 25 ; lime- 

 stone, 81, 82 ; paving brick, 29. 



Greenfield, trap, 87. 



Greenport, 21. 



Griswold farm, 59. 



Gypsum, 7, g-13, 38-44; chemical 

 composition, 42 ; manufacture of 

 plasters, 43-44; methods of ex- 

 traction, 42; notes on, 39-44. 



Hampden Corundum Wheel Co., ss- 



Hatmaker, B. J., 18. 



Haverstraw, trap, 87. 



Haverstraw Crushed Stone Co., 87. 



Haverstraw Trap Rock Co., 88. 



Helderberg limestone, 78. 



NEW YORK STATE MUSEUM 



Hematite, 45, 46, 49, 52. 



Herkimer county, building stone, 80; 

 granite, 76; limestone, 81, 82; 

 mineral paint, 52. 



High Falls Pyrite Co., 63. 



Higrade Slate Co., 72. 



Hudson Iron Co., 46. 



Hudson river region, brick produc- 

 tion, 27-28; molding sand, 68; 

 sandstone, 84, 86. 



Hurd, A. J., 52. 



Hydraulic cement, value of output, 

 7. 



Illuminating gas, 15. 

 International Pulp Co., 88. 

 International Salt Co., 65, 67. 

 Iron ore, 6, 9-13, 44-50- 

 Iroquois Salt Co., 67. 

 Ithaca, salt, 6$. 



Jefferson county, brick, 27; clay in- 

 dustry, 25; granite, 76; hematite, 

 46; lime, 79, 80; limestone, 78, 80, 

 81, 82; paving blocks, 77; pyrite, 

 6s; sandstone, 84. 



Joker-Bonanza ore body, 47. 



Joseph Dixon Crucible Co., ^7 



Kaolin, 32. 



Keith, N. S., 18. 



Kelly Iron Ore Corporation, 50. 



Kemp, J. F., cited, 47. 



Kendall Refining Co., 61. 



Kerhonkson, millstones, 51. 



Keystone Emery Mills, 33. 



Kings county, building tile, 30; clay 

 industry, 24, 25 ; drain tile and 

 sewer pipe, 30; fireproofing, 30; 

 pottery, 31. 



Kingston, millstones, 51. 



Kinkel, P. H., Sons, 34. 



Kyserike, millstones, 51. 



Lake Sanford, iron ores, 49. 

 Lakeville, iron ores, 46. 

 Lancaster, J. R., 33. 

 Lancaster-Depew Natural Gas Co., 



60. 

 Lebanon Springs, 53, 54. 



