394 



INDEX 



o 



^^ PAGE 



Obelisk in New York 385 



Ogdensburgli, quarry at 248 



Ohio sandstones, use of 347 



Oliio sandstones in New York city,301, 814 



Olean, quarry at 277 



Oneida county, quarries in. .246, 260, 261 



Oneonta sandstone formation , . 222 



Oneonta, quarry at 272 



Onondaga county quarries 250 



Onondaga Reservation, quarries on.. 250 

 " Onondaga gray limestone ": . . .213, 250 

 Onondaga gray limestone, use of, 337, 388 



Orleans county, quarries in 262 



Orange county, quarries in. .201, 231, 288 



Oriskany Falls, quarry at 250 



Oriskany sandstone 221 



Otsego county quarries .250, 272 



Oswego, use of stone in 341 



Oswego county quarries ... 260 



Oswego Falls, quarry at ... . .... 260 



Oswego Falls stone, microscopic struc- 

 ture of 361 



Oxford blue sandstone 837 



Oxford, quarry at 271 



Palatine Bridge, quarry at 245 



Paving blocks, granite for 234 



Paving blocks, sandstone. . .220, 257, 263 



Paving stone, Medina, use of 846 



Paved streets, New York city 308 



Peekskill, quarry near 231 



Penrhyn Slate Company 280 



Penn Yan quarries 274 



Perryville, quarry at 250 



Physical structure of stone 378 



Plattsburgli quarries 243 



Pleasantville, quarry at 235 



Pleasantville marble 294, 312 



Porosity of building stone 374 



Portage group 223, 265 



Portage sandstone, structure of 362 



Portage, L. S. , sandstones 347, 350 



Portage, L. S., sandstone in New York 302 



314 



Port Henry quarries 226, 238 



Potsdam sandstone 217 



Potsdam, quarries at 256 



Potsdam sandstone, microscopic struc- 

 ture of 361 



Potsdam sandstone in Albany 827 



Potsdam sandstones used in New York 



city 303, 315 



Potsdam sandstone, Syracuse 840 



Prospect quarries 246 



Poughkeepsie, use of stone in 821 



Putnam county quarries 230, 286 



Pyrite in stone 388 



Q 



Quartzytes 214 



Quaternary formations 226 



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Rensselaer county quarries 259, 279 



Rhinebeck, quarry at 259 



Rochester, Medina sandstone at. ... 261 



Rochester, quarries at 254, 261 



Rochester, use of stone in 343 



Rockland county quarries 230, 278 



Rockland Lake, quarry at 207 



Roofing slate 279 



Roofing slate, New York city 306 



s 



St. Lawrence county, quarries in. 286, 248 



256 



Salem slate quarries 280 



Sandstones 214, 255 



Sandstones, absorption of water.. 864, 376 



Sandstones, color of 364 



Sandstones, disintegration of. . . .295, 300 

 Sandstones, microscopic structure of, 361 



Sandstones at high heat 871 



Sandstones, iron in 864 



Sandstone, East Long Meadow, in 



Albany 326 



Sandstone, East Jjong Meadow, in 



Syracuse 340 



Sandstone, Fulton 339 



Sandstone, Medina, use of 347 



Sandstones, Ohio, use of 847 



Sandstone, Oxford, use of 337 



Sandstone, Potsdam, in Syracuse . . . 340 

 Sandstones, Scotch, used in New York 



city 302, 814 



Sandstones used in Albany 327 



Sandstones used in Brooklyn 318 



Sandstones used in Buffalo 847 



Sandstones used in New York. . .294, 312 



Sandstones used in Rochester 844 



Sandstone, Warsaw, use of 337, 845 



Sandy Hill, quarries at 240 



Saratoga county, quarries in. . . 232, 240 



Saratoga Springs, quarries near 240 



Scarsdale, quarry at 229 



Schenectady, use of stone in 331 



" Schenectady blue-stone" 259. 332 



Schenectady blue-stone in Albany. . . 829 

 Schenectady county quarries .. .248, 259 



Schoharie county, quarries in 249 



Schuyler county quarries 274 



Scotch sandstones used in New York 



city 802, 814 



Seneca county, quarries in ......... 253 



Seneca Falls quarries 253 



Serpentine, New York city 812 



Sharon Springs, quarries at 250 



Sharpe, Gen. Geo. H., on old houses. 323 



Shawangunk mountain quarries 218 



Shushan, slate quarry at 280 



Siliceous bonds in stone 379 



Sing Sing, marble at . 236 



Sing Sing marble in Albany 326 



Snow as protection 385 



Solubility of stone constituents 377 



Specific gravity of stone , 357 



