By 1874 , the Franklin County Agricultural Society agreed on the importance of this piece of land , increased the size to 93 acres ( 380,000 m ) .
By 1874 , the Franklin County Agricultural Society made it the official site of the Ohio State Fair .
By 1874 , the Franklin County Agricultural Society agreed on the importance of this piece of land , increased the size to 93 acres ( 380,000 m ) , and made it the official site of the Ohio State Fair .