592 



NEW YORK STATE MUSEUM 



Plattsburg, limestone quarries, 437 1 ; 



clays, 500 4 . 

 Pleasantville, marble quarries, 430 7 . 

 Polly mine, 538 7 . . 



Pond-Eddy, bluestone quarries, 404 4 . 

 Port Chester, road metal quarries, 449 5 . 

 Port Ewen, clays, AW. 

 Port Henry, sandstone quarry, 391 8 ; 



marble quarries, 432 s ; iron mines, 



533 5 , 534 7 -35 2 ; output of iron in 1888, 



535 4 . 

 Port Jervis, bluestone quarry, 41 5 5 . 

 Port Kent, clays, 500 1 . 

 Portage bluestone co., 407 6 ; tests of 



stone, 407 7 . 

 Portage group, sandstones, 388 9 -89 5 ; 



quarries, 400 8 -8 9 . 

 Porter, W., quarries, 414 3 . 

 Portland cement, 519 B , 528 E . 

 Potsdam red sandstone co., quarries, 



392 6 . 

 Potsdam sandstone, 383 6 -84 3 ; analysis 



and tests, 392 8 -93 6 ; durability, 393 3 ; 



iron ore deposits, 540 2 ; quarries, 



391 5 -94 3 ; quarries at Potsdam, 392 6 - 



93*. 

 Precambrian formations of New York, 



366 3 . 

 Precious metals in New York, 579 4 . 

 Prospect, limestone quarries, 426 8 -27 2 , 



439 8 -40 6 . 

 Puff, Nelson, quarry, 419 7 . 

 Putnam, B. F., paper on iron ores, 



528 7 . 

 Putnam county, study of rocks in, 



366 3 ; granite quarries, 377 1 ; marble 



quarries, 425 5 , 431 3 ; iron ores, 531 8 , 



532 1 . 

 Pyrite, localities producing, 579 6 . 



Q/uarrymen, directory of, 451-93. 



Quartz, 552 5 . 



Quaternary formations, clay deposits, 



Eamapo, granite quarry, 377 2 . 

 Randall & Underwood, quarry, 417 8 - 



18 1 . 

 Randolph, clays, 497 9 . 

 Red hematites, see Hematites. 



" Red horsp," 400 3 . 



Red sandst- >ne, see New red sandstone- 

 Regents, list, 362. 



R<-idsville, bluestone quarries, 402 2 . 



Reilly, William, quarries, 442 6 . 



Rensselaer county, sandstone quarries, 

 394 7 ; slate quarries, 421 2 . 



Retsof salt mines, 545 3 . 



Rhinebeck, sandstone quarries, 394 5 . 



Richburg, oil wells, 558 2 , 559 7 . 



Ries, Heinrich, work for museum, 

 366 4 ; road metal, 448-50. 



Road metal, 448-50. 



Rochester, Monroe co. , sandstone, 397 3 ; 

 limestone quarries, 447 4 . 



Rochester, Ulster co., bluestone quar- 

 ries, 401 5 , 402 6 . 



Rock City, oil wells, 560 6 . 



" Rock ore," 540 s . 



Rock salt, geologic occurrence, 548 9 ; 

 of Genesee valley, 545 2 . 



Rockland, Sullivan co., bluestone quar- 

 ries, 418 3 . 



Rockland county, granite quarry, 377 2 \ 

 Triassic formation, 390 6 -91 6 ; sand- 

 stone quarries, 419 6 ; iron ores, 532 1 . 



Rogers, J. & J., iron co., 535 5 . 



Rome, sandstone quarries, 395 8 . 



Rondout, sandstone quarries, 401 6 ; 

 bluestone market, 404 s ; bluestone 

 quarries, 415 2 . 



Rossi, August, experiments with titan- 

 iferous ores, 537 4 . 



Rossie hematites, 538 3 . 



Round Island, granite quarry, 377 6 . 



Roxbury , sandstone quarries, 401 9 , 415 1 ; 

 flagstone quarries, 404 5 . 



Rubtle stone, 384 8 . 



St Johnsville, limestone quarries, 439 5 . 



St Lawrence county, clays, 497 8 ; hema- 

 tite ores, 537 7 -38 7 ; limestone quar- 

 ries, 441 9 -42 3 ; marble quarries, 431 5 - 

 32 5 ; sandstone quarries, 392 5 -94 3 ; 

 Potsdam sandstone, 384'; talc, 556 6 . 



St Lawrence valley, limestones, 427 2 ; 

 limestone quarries, 441 9 -42 3 . 



Salem, slate quarries, 421 6 -22 1 . 



Salina group, distribution in New 

 York, 545 8 -48 8 ; four deposits, 546 2 - 

 47 s ; color of shales, 547 9 -48 3 . 



