CHAINS Conversions: 1 chain (1 ch) = 66 ft (100 links) 4 poles or rods = 1 chain 1 tally = 5 chains = 330 ft 20 chains = ¼ mile 80 chains = 1 mile 1 acre = 43560 square feet 640 acres = 1 section (square mile) 36 sections = 1 township 1 acre = 10 square chains 40 acres = 20 chains x 20 chains 1 section = 80 chains x 80 chains
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