USEFUL TABLES AXD' FORMULAE. 



647 



Amount of Lund in Different Fields: 



10 rods x 16 rods 1 acre - 



5 rods x 32 rods 1 acre - 



8 rods x 20 rods 1 acre. 



4 rods x 10 rods 1 acre. 



5 yards x 968 yards 1 acre. 



10 yards x 484 yards 1 acre. 



20 yards x 242 yards 1 acre. 



40 yards x 121 yards 1 acre. 



220 feet x 198 feet 1 acre. 



110 feet x 369 feet 1 acre. 



60 feet x 726 feet 1 acre. 



120 feet x 363 feet ■ 1 acre. 



200 feet x 108.9 feet I acre. 



100 feet x 145.2 feet i acre. 



100 feet x 108.9 feet I acre. 



25 feet x 100 feet «57 acre. 



25 feet x 150 feet 109 acre. 



4356 square feet 10 acre. 



Number of Trees or Plants to an Acre (Henderson): 



30x30 48 6x6 1210 



25 x 25 69 5x5 1742 



20x20 10S 5x4 2178 



19 x 19 120 5x3 2904 



18 x 18 134 5x2 4356 



17 x 17 150 5x1 8712 



16 x 16 170 4x4 2722 



15 x 15 193 4x3 3630 



14 x 14 222 4x2 5445 



13 x 13 257 4x1 10390 



12 x 12 302 3x3 4870 



11 x 11 360 3x2 7260 



10 x 10 435 3x1 14520 



9x 9 537 2x2 10890 



Sx 8 680 2x1 21780 



7x 7 888 lxl..'. 43560 



