INDEX TO THE MINING 



AND QUARRY INDUSTRY 195 



Monroe county, building brick, 63; 

 clays, 62, 66; drain tile and sewer 

 pipe, 65; gypsum, 80; iron ore, 86; 

 limestone, 137, 140, 141 ; marl, 108 ; 

 sandstone, 147; terra cotta, fire- 

 proofing and building tile, 65 ; tufa, 

 109. 



Montezuma, marl, 108, 109. 



Montgomery county, limestone, 136, 

 140, 141; marl, 109; sandstone, 146. 



Monumental stone, value of produc- 

 tion, 47, 135. 



Moriah, marble, 142. 



Morrisville, salt, 125. 



Mt Joy, trap, 153. 



Mount Vernon, granite, 134. 



Mumford, marl, 108; tufa, 109. 



Mutual Gas Co., 116. 



Myers, salt, 128. 



Naples, salt, 126. 



Nason, F. L., cited, 67, in, 130. 



Nassau county, building brick, 63; 

 clays, 62, 66. 



National Pyrites Co., 122. 



National Salt Co., 125, 128. 



National Wall Plaster Co., 80. 



Natural Bridge, apatite, 51. 



Natural Carbonic Gas Co., 52. 



Natural cement, 47, 53-54; value of 

 production, 48, 49. 



Natural gas, 1 15-19; value of pro- 

 duction, 48, 49; directory of pro- 

 ducers, 173. 



Nevius, J. N., cited, 69, 132. 



New Baltimore, marl, 109. 



New Hamburg, glass sand near, 130; 

 slate, 131. 



New Jersey, kaolin, 66; pottery clays, 

 66. 



New Lebanon, slate, 131. 

 New Paltz, millstones, in. 

 New Rochelle, granite, 134. 

 New Windsor, brick manufacture, 58. 

 New York Carbonic Acid Gas Co., 

 52. 



New York county, terra cotta, fire- 

 proofing and building tile, 65. 

 Newstead, natural gas, 117. 



Niagara county, building brick, 63; 

 clays, 62 ; limestone, 140, 141 ; marl, 

 109; natural gas, 118; sandstone, 

 147, 148. 



Niagara Falls, graphite, 78; lime- 

 stone near, 137. 

 Niagaran group, 137. 

 North Collins, natural gas, 117. 

 North Creek, garnet, 71. 

 North Leroy, furnace flux, 140. 

 North River Garnet Co., 71, 72. 

 Northeast, marl, 109. 

 Northport bay, clays, 57. 

 Northville, granite, 135. 

 Norwich, sandstone near, 150. 

 Nyack, Upper, trap, 153. 



Oakfield Plaster Co., 81. 



Oakfield Station, gypsum, 81. 



Oatka Mining Co., 128. 



Ogdensburg, brick manufacture, 59. 



OJd Sterling Iron Co., 83, 104. 



Oneida county, building brick, 63; 

 clays, 62, 66; drain tile and sewer 

 pipe, 65 ; fire brick and stove lining, 

 65; fullers earth, 70; glass sand, 

 129; iron ore, 87; limestone, 136, 

 140, 141; mineral paint, in. 



Oneida conglomerate, 147. 



Onondaga county, building brick, 63 ; 

 cement industry, 53, 54, 55; clays, 

 59, 61, 62, 66; crushed stone, 139; 

 drain tile and sewer pipe, 65 ; gyp- 

 sum, 80; lime, 139; limestone, 137, 

 138, 140, 141; marl, 107, 109; nat- 

 ural gas, 117, 118; paving brick, 

 65; pottery clays, 66; salt, 125, 126, 

 127; terra cotta, fireproofing and 

 building tile, 66. 



Onondaga lake, marl, 108. 



Onondaga limestone, 137. 



Ontario, iron ore, 86; mineral paint, 

 in. 



Ontario & Western Railroad, 148. 



Ontario Center, iron ore, 105. 



Ontario county, building brick, 63; 

 clays, 62, 66; drain tile and sewer 

 pipe, 65; gypsum, 80; limestone, 

 140, 141; natural gas, 117, 118; salt, 

 126. 



