Related Clues:
- Farm measurements
- Units of land area
- Farmer's earth
- Parcel parts
- South 40, say
- Spread units
- Arnold the Pig's were green
- Farm size measure
- The 40 of 'the back 40'
- Bedrock's covering, perhaps
- "The lower 40" units
- There are 640 in a square mile
- Plot measurement
- Units of farmland
- "Land for sale" sign word