By 1965 the Johnson County Library District had reached a population of 165,000. The Library consisted of Headquarters (Antioch), Corinth, Mission, Lenexa, and Gardner. The last three were small storefront branches.

The Mission Branch has space for about 3,500 books. News stories at the time referred to the crowded conditions as students packed the libraries after school and in the evenings to study and do homework. By 1966 a plan for expansion of the Johnson County Library system had been formulated, and a bond issue went before voters on February 11, 1967.

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