1. Hydrogeology of the Lake Miona area, northeast Sumter County, Florida Yale Public content 1986. 2009-02-20T21:16:26Z. 2011-03-04T00:04:21Z. Bradner, L. A. U.S. Dept. of the Interior, Geological Survey ; Open-File Services Section, Western Distribution Branch. English. Public. Florida and Sumter County.