Related Clues:

• Farm size measure
• The 40 of 'the back 40'
• It might be a lot
• "The lower 40" units
• There are 640 in a square mile
• Plot measurement
• Units of farmland
• "Land for sale" sign word
• 'Green ___' of 1960s TV
• Israeli city whose citadel was built by the Ottomans
• Farmer's measures
• About 4,047 square meters
• Property measurement
• Back 40 units
• Land measure