In 1842 he produced an unheard of 30,000 bushels of corn .
Daniel and Patience Newcomb farmed 1,200 acres ( 490 ha ) in Scott County , Iowa .
In 1842 Daniel produced an unheard of 30,000 bushels of corn .
Daniel and Patience Newcomb farmed 1,200 acres ( 490 ha ) in Scott County , Iowa .