United States, Central Intelligence Agency. "504014 8-79 (543855)." Relief shown by shading and spot heights. Includes location map and comparative area map. Maps in margin: Population -- Lin... Central Intelligence Agency.
Richardson, G. B. (George Burr), 1872-1949. compiled under the direction of G.B. Richardson ; oil and gas data compiled and drawn by Lewis B. Pusey ; Department of the Interior, United States... The Survey.
Geological Survey (U.S.) and Richardson, G. B. (George Burr), 1872-1949. Department of the Interior, United States Geological Survey ; compiled under the direction of G.B. Richardson. Also shows pipelines. The Survey.