586 



NEW YORK STATE MUSEUM 



Dover Plains, limestone quarries, 431'. 



Downs & Bowman, quarry, 397 8 . 



Duanesburg, sandstone quarry, 395 4 ; 

 road metal quarry, 449 4 . 



Duford & sons, quarry, 441 6 . 



Dunkirk, clays, 496 8 . 



Dutchess county, clays, 497 9 ; iron ores, 

 539 s -41 3 ; limestone, 426 1 ; limestone 

 quarries, 433 4 ; marble quarries, 425 5 ; 

 molding sand, 553 3 ; sandstone 

 quarry, 394 5 ; Potsdam sandstone, 

 383 8 ; slate quarries, 421 2 ; study of 

 rocks in, 366 3 . 



Dutchess Junction, clays, 499 2 . 



East Branch, flagstone quarries, 404 s . 



Eberhardt, W: G., Bluestone quarries 

 of New York, 411 3 -lk 6 . 



Economic and geologic map of New 

 York, preparation of, 365-70 7 . 



Elmira, sandstone quarries, 409 2 . 



Emery, 554 3 , 555 5 . 



Emmons, Ebenezer, investigations in 

 Adirondacks, 367 2 , 533 2 , 536 5 . 



Empire Portland cement co. , 528 6 . 



Erie county, Hamilton sandstones, 

 388 2 ; limestone quarries, 446 6 -47 4 ; 

 clays, 497 1 ; Salina formation, 548 7 . 



Essex county, granite quarries, 37S 8 ; 

 iron ores, 534 2 , 535 4 , 535 9 -37 6 ; lime- 

 stone quarries, 436 6 -37'; Chazy lime- 

 stone, 426 4 ; marble quarries, 432 8 ; 

 sandstone quarries, 391 8 -92 4 . 



Fairhen, E., quarry, 39& 9 . 



Field-stone, 42G 6 . 



Fisher Island, clays, 501 1 . 



Fishkill, clays, 499 2 ; iron ores, 539M0 2 . 



Fishkill-Clove belt, iron ores, 539 s . 



Flagstone and building stone co. , 4C6 8 . 



Flagstones, 382 3 , 38b 6 , 389 2 , 392 3 , 404 4 , 



404 8 -5 2 , 406 6 , 41 6 2 , 41 6 9 , 419 3 . 

 Fletcher & sons, quarry, 397 8 . 

 Fluorite, localities producing, 581 1 . 

 Flux, use of limestone for, 519 6 . 

 Fogelsonger, D. R. & H., quarries, 



446 7 . 

 Ford, A. H., quarry, 398 9 . 

 Fordham, granite quarries, 375 9 . 

 Forestburg, bluestone quarries, 404 3 , 



41 5 4 . 

 Fort Ann, sandstone quarry, 391 5 . 



Fort Plain, limestone quarries, 439 5 . 



Fossil ores, see Clinton ores. 



Fossils, in Quaternary days, 500 3 ; rare 



in Salina group, 547 7 . 

 Four Mile, oil wells, 560 6 . 

 Fox Hollow, bluestone quarries, 402 6 . 

 Frankfort, sandstone quarries, 395 9 - 



96 2 . 

 Franklin county,-' Potsdam sandstone, 



384 1 ; sandstone quarries, 392 4 . 

 Freestone, 381 2 , 391 s . 

 Fremont, bluestone quarries, 417 2 . 

 Fresh Pond, clays, 50G 9 -1 2 . 



Gabbros, 536 5 . 



Galenite, localities producing, 580 5 . 



Ganung, E. C, granite quarries, 377 1 . 



Gardiner's Island, clays, 500 7 . 



Garnet, 553 5 -55 3 ; prices, 554 7 ; output, 

 554 9 -55 2 . 



Garrett stone & coal co . , 445 6 . 



Garrisons, granite quarry, 377 9 . 



Genesee, oil wells, 559 7 . 



Genesee county, Hamilton sandstones, 

 38S 2 ; limestone quarries, 446 6 ; Salina 

 formation, 548 7 ; gypsum, 550 9 . 



Genesee valley, clays, 496 7 ; rock salt, 

 545 2 . 



Geologic map, of Westchester and New 

 York counties, 370 s ; 



of state, prepared for World's 

 fair, 565-7 7 ; maps consulted in pre- 

 paring, 369 2 -70 2 ; map in preparation 

 by Prof. Hall, 365 7 . 



Geology and geographic distribution 

 of building stone, 372-448. 



George & Griffith, limestone quarry, 

 440 1 . 



Glacial drift, 420 1 . 



Glasco, bluestone quarries, 414 2 . 



Glass sand, 552 7 . 



Glen Cove, clays, 500 8 . 



Glens Falls, limestone quarries, 426 8 - 

 27 2 , 435 8 -36 6 . 



Glens Falls co., quarry, 435 9 . 



Gneiss, use for road metal, 449 6 , 450 2 ; 

 of Adirondacks, 533 2 ; of Highlands, 

 366 6 ; quarries, directory, 452. 



Gold in New York, 579 4 . 



Goodrich, L. S., & son, quarry, 445 6 . 



Goodrich & Clark stone co., 398 6 , 3b9 2 . 



