INDEX TO MINING AND OUARRY INDUSTRY 



Pig iron, manufacture of, 6. 



Pine Island, granite, 63. 



Plaster of paris, 31. 



Plasters, 31. 



Plattsburg, marble, 68. 



Pleasantville, marble, 68. 



Porcelain, 24, 25. 



Port Henry, sandstone, 69. 



Port Henry Iron Ore Co., 34, 36. 



Portland cement, 7, 9, 10, 11, 12, 13- 



14. 15- 

 Potsdam sandstone, 69. 

 Potter Gas Co., 47. 

 Pottery, 6, 9, 10, 11, 12, 13, 17, 18, 



24-25, 27. 

 Pottery clays, 25. 

 Producers Gas Co., 46, 47. 

 Pyrite, 9, 10, 11, 13, 50-52. 



Quarry materials, value of, 7. 

 Quartz, 9, 10, II, 12, 13, 27. 

 Queens county, clay industry, 18, 

 19 ; pottery, 25 ; terra cotta, 24. 



Ramapo Trap Rock Co., ']Z- 



Red slate, 59. 



Redwood, sandstone, 69. 



Remington Salt Co., 55. 



Rensselaer county, brick, 20, 21, 22, 

 '2'^\ clay industry, 19; fireproofing, 

 24 ; limestone, 66, 67 ; sandstone, 

 69 ; slate, 59, 



Rensselaer Falls, pyrite, 51. 



Retsof, salt, 55. 



Retsof Mining Co., 55. 



Richfield Springs, 41. 



Richmond, trap, '/2. 



Richmond county, brick, 201; clay 

 industry, 18, 19; firebrick and 

 stove lining, 23 ; terra cotta, 24. 



Riparius, garnet, 28. 



Riprap, from granite, dz \ from lime- 

 stone, 64; from sandstone, 71. 



Road metal, trap, ']2. See also 

 Crushed stone. 



Rochester, petroleum, 49; sand- 

 stone, 69. 



Rock Glen Salt Co., 55- 



Rock salt, 7. 



Rockland county, brick, 20, 22, 23; 

 clay industry, 18, 19; crushed 

 stone, 65 ; granite, 63 ; trap, 72. 



Roofing material, feldspar, 27. 



Roofing slate, 9, 10, 13, 59- 



Roofing tile, 24. 



Round Island, granite, 63. 



Rubble, from granite, 63 ; from lime- 

 stone, 64; from sandstone, 71. 



Rutland-Florence Marble Co., 68. 



St Josen, millstones, 40. 



St Lawrence county, limestone, 66, 



6'/; marble, 67; pyrite, 50, 51; 



sandstone, 69; talc mines, 8, 75. 

 St Lawrence Marble Quarries, 67. 

 St Lawrence Pyrite Co., 50. 

 St Lawrence river, granite, 62. 

 St Lawrence Talc and Asbestos Co., 



75- 



Salem, slate, 59. 



Salina limestone, 64. 



Salisbury Steel & Iron Co., 35, 38. 



Salt, 7, 9, 10, II, 12, 13, 52-56. 



Sand, II, 12, 13, 56-58. 



Sand-lime brick, 9, 10, 11, 12, 13. 



Sandstone, 7, 9, 10, 11, 12, 13, 61, 

 68-71. 



Sanitary wares, 24, 25. 



Saratoga county, brick, 20; clay in- 

 dustry, 19; feldspar, 27; graphite, 

 30; limestone, 66, 67; trap, 72, 73. 



Saratoga Springs, 40, 42. 



Saugerties, sandstone, 70. 



Schenectady, electrical supplies, 25. 



Schenectady county, clay industry, 

 18, 19; pottery, 25. 



Schists, 61. 



Schoharie county, building stone, 

 65 ; limestone, 66, 67. 



Schuyler county, salt, 55. 



Seneca county, limestone, 66, 67. 



Sewer pipe, 17, 18, 23. 



Sharon Springs, 41. 



Shawangunk conglomerates, 40, 69. 



Silver Creek Gas & Improvement 

 Co., 47. 



Slate, 9, 10, II, 12, 13, 59-60. 



Slate pigment, 9, 10, 11, 12, 13. 



