Darke County Genealogical Researchers > Land Records
Darke County Township Information
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1 mile = 5280 feet
1 mile = 80 chains
1 chain = 100 links
1 chain = 66 feet
1 link = 7.92 inches
1 rod, pole or perch = 16.5 feet
1 acre = 43,560 square feet
1 square mile = 640 acres
Area of a theoretical township is 23040 acres.
Theoretical Township method of numbering
Subdivisions of a section
The Official Federal Land Patent Records Site
Bureau of Land Management Visitor Center
Bureau of Land Management History
FAQs at the Bureau of Land Management
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