 | John William Hopkins - 1907 - 376 σελίδες
...30J square yards = 1 square rod or perch (sq. rd. or sq. pch.) 40 square rods = 1 square rood (sq. R.) 4 roods = 1 acre (A.) 640 acres = 1 square mile (sq. mi.) SPANISH LAND MEASURE In Texas, California, New Mexico, and other parts of this country which were... | |
 | Joseph Emerson Worcester - 1908 - 400 σελίδες
...marked sq. ft. 9 square feet = 1 square yard, " sq. yd. 272J4 square feet = 1 square rod, " sq. rd. 30% square yards = 1 square rod, " sq. rd. 40 square rods = 1 rood. 4 roods or 160 square rods = 1 acre. B40 acres = 1 sq. mile or 1 sq. section. SURVEYORS' MEASUBE. Used... | |
 | Thomas J. Foster - 1916 - 1230 σελίδες
...MEASURE 144 square inches (sq. in.) =1 square foot sq. ft. 9 square feet = 1 square yard sq. yd. 30.25 square yards =-1 square rod. . , sq. rd. 40 square rods =1 rood rood. 4 roods (160 sq. rd.) =1 acre. A. or ac. 640 acres = 1 section =1 square mile sq. mi. sq. in.... | |
 | 1917 - 194 σελίδες
.... . . sq.ft. 9 Square Feet = 1 Square Yard . . »q. yd. 30£ Square Yards = 1 Square Rod . . . »q. rd. 40 Square Rods = 1 Rood R. 4 Roods = 1 Acre A. 640 Acres = 1 Square Mile. . . nq. mi. NOTK. — In measuring land the acre is the unit; in most other surfaces, the square yard.... | |
 | 1919 - 190 σελίδες
...Square Inches (sq. m.) = 1 Square Foot . . . sq.ft. 9 Square Feet = 1 Square Yard . . sq. yd. 30^. Square Yards = 1 Square Rod . . . sq. rd. 40 Square...R. 4 Roods = 1 Acre A. 640 Acres = 1 Square Mile. . . nq. mi. SURVEYORS' SQUARE MEASURE. 260. SURVEYORS' SQUARE MEASURE is used by surveyors in finding... | |
 | Joseph Ray - 1857 - 174 σελίδες
...square inches . make 1 square foot, marked sq. ft. 9 square feet . . " 1 square yard,. " sq. yd. 30|- square yards . " 1 square rod, . " sq. rd. 40 square...acre, . . . . " A. 640 acres " 1 square mile, . " sq. mi. 1. Repeat the table of Square Measure. 2. How many square feet in 3 square yards? in 5 ? 3. How... | |
 | Edward Brooks - 1873 - 188 σελίδες
...foot, sq. ft. 9 square feet " 1 square yard, sq. yd. 30i square yards " 1 perch, . . P. 40 perches " 1 rood, . . . R. 4 roods " 1 acre, . . . A. 640 acres " 1 square mile, sq. m. The perch is the same as a square rod. The rood is less used than formerly. In surveying, we use Gunter's... | |
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SQUARE MEASURE. 144 square inches (sq. in.) make 1 square foot, sq. ft. 9 square feet " 1 square yard, sq. yd. 30| square yards " 1 square rod, P. 40 square rods 
