Description: A portion of Gray's map of Florida detailing the southern tip of the peninsula and the Everglades region. County lines and the township/range survey grid are shown. Note that much of the Everglades, the southern end of Lake Okeechobee, and the Monroe/Dade county line were unsurveyed at the printing of this map (1875). Forts, depots, and Native American lands are shown. Digitization provided by the USF Libraries Digitization Center. Rare Maps. This is a detailed map of Florida showing counties, cities, roads, railroads, inland waters, etc. Prime Meridians: Greenwich and Washington. Measurements. Scale ca. 1:2,600,000 Source: Ormando Willis Gray, Gray's Atlas (Philadelphia, PA: O. W. Gray and Son, 1875) 107 Map Credit: Courtesy of the Special Collections Department, University of South Florida.