Description: Digitization provided by the USF Libraries Digitization Center. Rare Maps. This is a map of Florida showing topography, hard rock and land pebble phosphate deposits, and areas of artesian flow, circa 1913. This map includes a legend, informative text and an inset map of the western panhandle area of Florida. It also shows cities and towns, inland waters, railroads and canals. Measurements.Dimensions: 27 x 36 cm. Measurements.Resolution: Scale 1:2,000,000. Approx. 32 miles to the inch Source: Elias Howard Sellards, Ph. D., state geologist, Florida State Geological Survey (Tallahassee, FL: A. Hoen & Co., 1913) Map Credit: Courtesy of the Special Collections Department, University of South Florida.