8o 



NEW YORK STATE MUSEUM 



Orange county, arsenopyrite, 13; 

 building brick, 19, 21, 22; clays, 18; 

 galena and zinc blende, 74. 



Oriskany Falls, limestone, 66. 



Orleans county, sandstone, 70, 71. 



Orthoclase, 28. 



Oscawana, marble, 68. 



Ossining, marble, 68. 



Oswego, spring water, 43, 



Oswego county, glass sand, 57; nat- 

 ural gas, 44, 46. 



Oswego sandstone, 45. 



Otisville, galena and zinc blende, 74. 



Palisades, 71. 



Paragon Plaster Co., 58. 



Paterson, N. J., mining company 



from, 74. 

 Pavilion, natural gas, 45. 

 Pavilion Natural Gas Co., 47. 

 Paving blocks, 60; from granite, 61; 



from sandstone, 69, 70; from trap, 



72. 

 Paving brick, manufacture, 22. 

 Pebble mills, lining of, 40. 

 Peekskill, emery, 26. 

 Pegmatite, 27. 

 Pennock, N. I., 24, 

 Petroleum, 9-12, 45, 48-50; value of 



output, 8, 9-12, 49. 

 Phlogopite, 30, 

 Phoenix Lead Co., 'JA. 

 Picton Island Red Granite Co., 62. 

 Pierce, John, Co., 62. 

 Pierces Corners, lead, 74. 

 Plaster, 33. 

 Plaster of paris, 32. 

 Pleasantville, marble, 68. 

 Porcelain, 25. 



Port Henry, iron ores, 6, 36; lime- 

 stone, 66. 

 Port Henry Iron Ore Co., 36, 37. 

 Port Richmond, trap, 71, 72. 

 Portage beds, 45. 

 Portland cement, 9-12, 14, 15 ; value 



of output, 7, 9-12, 14, 15. 

 Potsdam sandstone, 57, 69. 

 Potter talc mine, T^^. 

 Pottery, 9-12, 17, 24-25, 27 ; value of 



output, 7, 9-12, 17, 24-25. 



Poultry grit, 27. 



Putnam county, arsenical ore, 12. 



Putnam County Mining Corporation, 



12. 

 Pyrite, 8, 9, 10, 11, 12, 13, 50-52; 



analysis, 51. 

 Pyrites (village), 52. 

 Pyrrhotite, 51. 



Quarries, value of products of, 7. 

 Quartz, 9, 10, 11, 12, 13, 27, 51. 

 Quartz sand, 56. 

 Quartzites, 69. 



Queens county, clays, 18; terra cotta, 

 fireproofing and building tile, 23. 



Randolph, shale, 40. 



Reed's Corners, natural gas, 48. 



Rensselaer county, building brick, 

 19, 21, 22; clays, 18; manufacture 

 of clay materials, 24; fire brick 

 and stove lining, 23 ; slate, 58 ; 

 terra cotta, fireproofing and build- 

 ing tile, 23. 



Retsof Mining Co., 55. 



Rexville, petroleum, 50. 



Richfield Springs, 41, 42. 



Richmond county, building brick, 19 ; 

 clays, 17; fire brick and stove 

 lining, 23 ; terra cotta, fireproofing 

 and building tile, 23 ; trap, 72. 



Ripley, natural gas, 45. 



Riprap, 60; from granite, 61, 62; 

 from limestone, ^2,^ 64; from sand- 

 stone, 70. 



Road metal, from limestone, 63, 64; 

 from trap, 71. 



Rochester, building sand, 56; pe- 

 troleum, 49. 



Rochester Composite Brick Co., 57, 



S8. 

 Rochester Iron Ore Co., z^. 

 Rock pond, feldspar, 27. 

 Rock salt, 53. 

 Rockland county, building brick, 19, 



21, 22; clays, 17; limestone, 64, 



65, 66, (iT\ trap, 72. 

 Rome, glass sand, 57. 

 Roofing material, 27. 

 Roofing slate, 9, 10, 11, 12, 58. 



