THE MINING AND QUARRY INDUSTRY IQII 



Production of common building brick 



17 



COUNTY 



1910 



1911 



NUMBER 



VALUE 



NUMBER 



VALUE 



Albany 



74 496 000 

 612 000 



2 403 000 



5 058 000 



92 700 000 



147 696 000 



51 244 000 



30 374 000 



I 068 000 



312 000 



19 531 000 



17 000 000 



3 434 000 

 19 126 000 

 19 569 000 



160 500 000 

 14 600 000 

 32 355 000 



251 190 000 

 84 639 000 

 16 360 000 



263 873 000 

 66 836 000 

 21 630 000 



$390 894 



5 984 



16 075 



32 588 



454 550 



649 862 



283 207 



137 452 



7 997 



2 184 



III 758 



107 500 



22 882 



119 082 



104 534 



761 500 



72 800 



134 049 



I 080 117 



387 268 



98 560 



I 121 460 

 332 027 

 128 882 



59 517 000 



I 088 000 

 I 813 000 



4 140 000 



57 695 000 



133 229 000 



35 975 000 



28 779 000 



S319 503 



8 109 



II 724 



28 406 



284 475 



648 151 



222 673 



139 578 



Cattaraugus 



Cavuea 



Chautauqua 



Columbia 



Dutchess 



Erie 



Greene 



Jefferson 



Livingston 



Monroe . 



425 000 



21 100 000 

 15 790 000 



3 178 000 

 14 434 000 



22 000 000 

 121 800 000 



13 352 000 



23 456 000 

 162 400 000 



81 575 000 

 II 500 000 

 178 287 000 

 52 654 000 

 22 795 000 



2 550 

 116 600 



Nassau 



98 445 

 25 426 



93 105 

 132 750 



565 152 



67 760 

 106 823 

 747 040 

 392 427 



68 750 

 829 035 

 263 498 

 138 531 



Niagara 



Oneida 



Onondaga 



Orange 



Rensselaer 



Richmond 



Rockland 





Suffolk 



Ulster 



Westchester 



Other counties a. . . 



Total 



I 396 606 000 



$6 563 212 



I 066 982 000 



$5 310 511 



a Includes in 1910, Chemung, Clinton, Montgomery, Ontario, St Lawrence, Steuben, Tompkins, 

 Warren and Washington counties. In 191 1 the same counties are included excepting Steuben 

 which reported no production. 



Hudson river region. The greater part of the brick production 

 of the State is made in the Hudson river valley in the stretch 

 from Albany and Rensselaer counties southward to Rockland and 

 Westchester counties. The existence of extensive clay beds suit- 

 able for the common grades of brick, the facilities for cheap trans- 

 portation, and the proximity to the large market of New York City 

 and vicinity combine to make this section the largest brick-manu- 

 facturing district in the United States. 



The brick clays are found in terraced deposits on either side 

 of the river, extending from the water level to a height of 

 300 feet or more in places. They are interbedded with and some- 

 times covered by layers of sand and gravel. Their thickness at 

 any locality may exceed lOO feet, though usually it is much less. 

 Some clay has been obtained by dredging from the bed of the 



