78 



NEW YORK STATE MUSEUM 



clays, i8; limestone, 66, 6'] \ paving 

 brick, 22. 



Greenfield, graphite, 30; trap, 71, 72. 



Greenport, marble, 68. 



Grits, 69. 



Gunnville, limestone, 66. 



Gypsum, 9-12, 31-34; value of out- 

 put, 8-12, zy, analysis, 34. 



Hague, graphite, 29. 



Hailesboro, talc, T2)- 



Hammondsport, natural gas, 48. 



Hampton, slate, 58. 



Hatch Hill, slate, 58. 



Haverstraw, trap, 71, 'J2. 



Hawley salt works, 53. 



Hebron, slate, 58. 



Hematite, 35, 36, 40. 



Herkimer county, diatomaceous 

 earth, 26 ; granite, 61 ; limestone, 

 td, 67; shale, 40; trap, 71. 



High Falls, pyrite, 52. 



Hoag, William M., Cement Co., 14. 



Holley, sandstone, 71. 



Hooper, F. C, 28. 



Hoosick, slate, 58. 



Hornblende, 51, 56. 



Hubbell, James E., 34. 



Hudson Iron Co., 36. 



Hudson river district, bluestone, 70, 

 71 ; building brick, 20r-22 ; granites, 

 61 ; molding sand, 57. 



Hudson River sandstone, 69. 



Hurd, A. J., 41. 



Hydraulic cement, 13; value of out- 

 put, 7. 



Infusorial earth, 25. 

 International Mineral Co., 27. 

 International Pulp Co., J^. 

 International Salt Co., 53. 

 Iron, diarsenid of, 13. 

 Iron mining industry, progress, 6. 

 Iron ore, 9, 10, 11, 12, 34-38; analy- 

 sis, 38. 

 Ithaca, salt works, 53. 



Jamesville, gypsum, 34. 



Jefferson county, building brick, 19; 



clays, 18 ; granite, 61 ; lime, 65 ; 



limestone, 66, 67; natural gas, 45. 

 Judd, Edward K., cited, 13. 



Kaolin, 24. 



Kerhonkson, millstones, 39. 



Keuka, natural gas, 48. 



Keystone Emery Mills, 26. 



Kings county, clays, 18; fire brick 

 and stove lining, 23 ; potteries, 25 ; 

 terra cotta, fireproofing and build- 

 ing tile, 22,. 



Kingston, millstones, 39. 



Kinkel, P. H. Sons, 27. 



Kyserike, millstones, 39. 



I/ake Champlain, marble, 67. 

 Lake Erie, building sand, 56. 

 Lake mine, 36, 38. 

 Lake Ontario Iron Ore Co., 2^. 

 Lake Sanford, titaniferous ores, 6,. 



Lancaster, J. R., 26. 



Lancaster, natural gas, 45. 



Lancaster Sand-Lime Brick Co., 58. 



Land plaster, 2Z- 



Lane & Co., 24. 



Lead, 74. 



Lebanon spring, 42. 



Leblond, Ernest, 62. 



Lengsholz & Diedling, 24, 



Leucopyrite, 13. 



Levant, natural gas, 47. 



I,ewis, arseriopyrite, 13. 



Lewis county, lime, 65 ; limestone,^ 

 (^, 6y; talc, 74. 



Lime, 60, 63, 64-65, 66. 



Limestone, 9-12, 59, 60, 63-67 ; value 

 of production, 9-12, 60, 63-67. 



Limonite, 35, 40. 



Little Falls, granite, 62 ; trap, 71. 



Livingston county, cement, 14; nat- 

 ural gas, 45, 46; petroleum, 48;. 

 salt, 8, 52, 53, 55. 



Long Island, building sand, 56. 



Lyon Mountain, iron ore, 36. 



Macomb, lead, 74. 



Madison county, clays, 18; drain tile 

 and sewer pipe, 23; gypsum, 31;. 

 limestone, 66, 67; potteries, 25. 



Magnetic Iron Ore Co., 37. 



Magnetite, 35, 56; analysis, 38. 



Maiden, manufacture of clay ma- 

 terials, 24. 



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