77 



AREA OF OPERATIONS UP TO JANUARY 1ST, 1870. 



Area worked over up to January 1st, 1810, 352J acres. 



" " " Fort Greene 30 



Surface finished, meadows and slopes, 153 acres. 



" woodland, 40 " 



" water surfaces, 14 " 



" roads and walks, 48 " 



Total, 255. " 



Surface seeded, 170 acres. 



Surface finished — Fort Greene, 22 acres. 



Amount of Brick Masonry 2,922 cubic yards. 



" " " Fort Greene 75 i: 



" Stone masonry 5,986 " 



" " Fort Greene 89 " 



" Concrete 1,758 



" " Fort Greene 57 " 



" Steps set 4,779 lineal feet. 



" " " Fort Greene . 214 " 



" Curb set 67,624 



" " "Fort Greene 677 " 



" Belgian pavement laid 295,152 sup. feet. 



" Cobble pavement laid 52,816 " 



" Brick pavement laid 20,520 " 



" Brick gutter laid , 20,268 " 



" Telford gutter laid 49,709 " 



Cobble gutter laid 15,880 " 



" Flag stone gutter laid 6,760 " 



Tar concrete pavement laid 360,136 sup. feet. 



" " li " Fort Greene 176 944 " 



AMOUNT OF STONE BROKEN. 



McAdam stone by stone-breaker 16,214 cubic yards. 



Telford and building stone by hand „ 8,943 " 



" " " " Fort Greene 2,569 " 



Spall-stone by hand 12,920 " 



