112 



NEW YORK STATE MUSEUM 



Oneida county, brick, 19; clay indus- 

 try, 17; core sand, 61; fireproofing, 

 23; glass sand, 62; limestones, 71, 

 7*, 73, 78 



Onondaga Coarse Salt Association, 56 



Onondaga county, brick, 19; building 

 stone, 76 ; cement, 12 ; clay indus- 

 try, 16, 17; crushed stone, 76; gyp- 

 sum, 34; limestone, 72, 73, 75, /6, 

 77, 78: marl, 74; natural gas, 45, 

 46, 47; salt industry, 54, 55, 56; 

 stoneware clays, 25 



Onondaga limestone, 45, 73, 76 



Onondaga Pottery Co., 23 



Ontario Center, iron ore, 38 



Ontario county, brick, 19 ; clay indus- 

 try, 17; mineral waters, 42; natural 

 gas, 45, 46, 47; rock salt, 57 



Ontario Iron Ore Co., 38 



Ontario Talc Co., 99 



Opalescent glass, 27 



Orange county, brick, 19, 20, 22 ; clay 

 industry, 16, 17; limestone, 73; 

 sandstone, 92 



Orchard Park, natural gas, 48 



Oriskany Falls, limestone, 75 



Oriskany sandstone, 73 



Orleans county, limestone, 72 ; sand- 

 stone, 92, 94, 95 



Ornamental stone, 72 



Oswegatchie river, iron ore, 39; talc, 

 98 



Oswego county, natural gas, 45, 46, 47 



Otisville, sandstone, 92 



Otsego county, sandstone, 93 



Palisades, trap, 96 



Palisades Park, 97 



Pamelia limestone, 71 



Paragon Plaster Co., 63 



Pass and Seymour, 24 



Pavilion Natural Gas Co., 46 



Paving blocks, sandstone, 92, 94, 95, 



96 

 Paving brick, 14, 15, 22 

 Peekskill, emery, 25 ; granite, 67 

 Pekin, quarries, 72, 75 

 Perry, rock salt, 57 

 Petroleum, 7, 9, 10, 48-51 

 Phoenix, natural gas, 46 



Piffard, salt, 57 



Pig iron, 6 



Plattsburg, limestone, 71, 72; marble, 



80 

 Porcelain, 14, 23, 24 

 Port Henry, iron ore, 38; limestone. 



71 

 Port Henry Iron Ore Co., 38 

 Port Jefferson, sand-lime brick, 63 

 Portage sandstone, 45, 93 

 Portland cement, 7, 9, 10, 11, 12. 72, 



73, 74 

 Portland Point, 3s, 73 

 Potsdam sandstone, 91 

 Pottery, 6, 9, 10, 15, 16, 23-24 

 Poughquag quartzite, 88 

 Producers Gas Co., 45 

 Pulaski, natural gas, 47 

 Putnam countv, iron ore, 39; marble, 



87 

 Pyrite, 8, 9, 10, 52 



Quarry materials, value of, 6 

 Quartz, 9, 10, 14, 23 

 Queens county, clay industry, 17 ; 

 terra cotta, 23 



Red earthenware, 24 



Red House, natural gas, 48 



Redwood, sandstone, 91 



Remington Salt Co., 57 



Rensselaer county, brick, 19, 20 ; clay 

 industry, 17; fire brick and stove 

 lining, 22 ; fireproofing, 23 ; lime- 

 stone, 77, 78 



Retsof, salt, 56 



Retsof Mining Co., 57 



Richburg, petroleum, 51 



Richfield Springs, 41 



Richmond, trap, 97 



Richmond county, brick, 19; clay in- 

 dustry, 17; fire brick and stove lin- 

 ing, 22; terra cotta, 23 



Riparius, garnet, 30 



Riprap, from granite, 66; from lime- 

 stone. 74; from sandstone, 95 



Road metal, limestone, 73 ; trap, 96. 

 See also Crushed stone 



Rochester, brick, 13; limestone, 72; 

 marble, 85 ; petroleum, 49 ; sand- 

 stone, 92, 95 



