1 [2 



NEW YORK STATE MUSEUM 



Ontario Center, iron ore, 3S 



Ontario count}', clay industry, 15; 

 natural gas, 48; pottery, 21; rock 

 salt, 60 



Ontario Iron Ore Co., 38 



Ontario Talc Co., 92, 97 



Orange county, brick, 17, 19; clay 

 industry, 15; granite, 72, 76; lime- 

 stone, 80; molding sand, 62 ; sand- 

 stone, 87 



Orleans county, limestone, 79; sand- 

 stone, 87, 89 



Ossining, marble, 85 



Oswego county, natural gas, 48 



Otisville, sandstone, 87 



Otsego county, limestone, 79; sand- 

 stone, 88 



Ox Bow, pyrrhotite, 55 



Palisades, crushed stone, 72; trap, 



64, 90 

 Palisades Park Commission, 91 

 Pamelia limestone, 78 

 Paragon Plaster Co., 63 

 Pavilion Natural Gas Co., 47 

 Paving blocks, sandstone, 87, 89 

 Paving, brick, vitrified, 14, 20; prices, 



20 

 Peekskill, emery, 22, 23 ; granite. ~2, 



73 

 Pegmatite, 23 

 I Vkin, quarries, 79 

 Perry, rock salt, 60 

 Petroleum, 7, 9, 10, 49-52 

 Phoenix, natural gas, 48 

 Picton Island Red Granite Co., 6S 

 Piffard, salt, 59 

 Pitcairn, granite, 69 

 Plaster of paris, 7 

 Plattsburg, limestone, 78, 79; marble, 



85 

 Pleasantville, marble, 85 

 Pochuck mountain, quarries. 76 

 Popes Mills, graphite, 34 

 Porcelain, 21, 22 

 Port Plenry, iron ore, 40; limestone, 



78 

 Porl Henry Iron Ore Co., s^- 39 

 Port Jefferson, sand-lime brick. 63 



Portage sandstone, 87, 88 

 Portland cement, 7, 9, 10, 11, 12, 80 

 Portland Point, limestone, So 

 Potsdam sandstone, 86 

 Pottery, 6, 9. 10. 13, 14, 21. 24 

 Producers Gas Co., 46 

 Pulaski, natural .uas. 48 

 Pyrite, 8, 9, 10. 52-55 

 Pyrites. 54 

 Pyrrhotite, 53. 55 



Quarry materials, value of, 7 



Quartz, 9, 10 



Queens county, clay industry. 15; 

 glass sand, 62; molding sand, 62: 

 pottery. 21 ; terra cotta, 21 



Randolph, mineral paint. 41 



Red slate, 41 



Redwood, sandstone, 86 



Remington Salt Co.. 60 



Rensselaer county, brick. 17. 19; claj 

 industry. 15 ; fire brick and stove 

 lining, 20: fireproofing, 20; lime- 

 stone, 83, 84 ; molding sand, 62 



Rensselaer Falls, pyrite. 55 



Retsof, salt. 511 



Retsof Mining Co., 59 



Richfield Springs. 42, 43 



Richmond, trap. 90 



Richmond county, brick. 17; clay in- 

 dustry, 15: lire brick and stov< 

 lining, 20; serpentines. 72; terra 

 cotta, 21 



Riparius. garnet, 30 



Riprap, from granite. 6(> : from lime- 

 stone, 8i; from sandstone. 89 



Road metal, trap. 90. Sec alst 

 Crushed stone 



Rochester, limestone. 70: petroleum. 

 50; sand-lime brick. 63; sandstone, 



87 

 Rock Glen Salt Co., 50 

 Rock salt. 7. 56. 60 

 Rockland county, brick, 17. iy; cla\ 



industry. 15: crushed stone, Hj : 



limestone. 82 ; trap, 01 

 Rondout, quarry, 80 

 Rondout limestone, j< 1 



