Geologic map of Escambia County, Alabama [cartographic material] / by Joseph W. Cagle ; prepared by U.S. Geological Survey in cooperation with the Escambia County Board of Revenue and the Geological Survey of Alabama
"Base compiled from U.S. Geological Survey topographic maps, Alabama Highway Department maps, field notes, and aerial photographs." "Modified from MacNeil, 1946; Adams and others, 1926; and Winters, 1954." "Drafting by Jerry A. Daniel." Text, 2 tables, and geologic county map on verso. Relief shown by spot heights.