Darke County Genealogical Researchers > Land Records

Darke County Township Information

Click on township in drawing below to view map 

Units of Measure

Units of Area

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 = 10 square chains

1 acre = 43,560 square feet

1 square mile = 640 acres

A theoretical township is 6 miles square, containing 36 sections, one mile square, of 640 acres each.

Area of a theoretical township is 23040 acres.

Theoretical Township
method of numbering

Subdivisions of a section