Description: Digitization provided by the USF Libraries Digitization Center. Rare Maps. This is a map of the plan of entrances of Tampa Bay while it was a part of East Florida, circa 1770. It shows water depths in fathoms, islands, keys and inland waters. Measurements.Dimensions: 32 x 24 cm. Measurements.Resolution: Scale [ca. 1:63,350] Source: Robert Laurie and James Whittle, (London, : Robert Laurie and James Whittle, 1770) Map Credit: Courtesy of the Special Collections Department, University of South Florida.