1. Hydrology of Lake Butler, Orange County, Florida Author/Creator: Geological Survey (U.S.), cartographer Publication/Creation: [Tallahassee, Florida] : Department of the Interior,United States Geological Survey, 1985 Resource Type: Map Access & Availability: Loading
2. Hydrology of Hunters Lake, Hernando County, Florida Author/Creator: Henderson, S. E., author Publication/Creation: Denver Colorado : Open-File Services Section, Western Distribution Branch, U.S. Geological Survey Resource Type: Map Access & Availability: Loading