National Geographic : 1931 May
RAMBLES THROUGH THE PRAIRIE STATE WHERE CORN RULES AS KING OF CROPS Some 9,000,000 acres of the black prairie soil of Illinois are planted in corn. The crops in two recent years exceeded 300,000,000 bushels each. Most of the corn is fed to livestock on the farms. A State Fair exhibit. GRAPES OF GREEN VALLEY While viticulture is not a major agricultural factor in Illinois, there are many farm vineyards. The three baskets of luscious Concords are from Tazewell County.