Goethal, G. W. (1916). The Panama Canal, an engineering treatise. A series of papers covering in full detail the technical problems involved in the construction of the Panama Canal. Geology, climatology, municipal engineering, dredging, hidraulycs, power plants, etc. Prepared by engineering and other specialist in charge of the various branches of the work and presented at the International Engineering Congress, San Francisco, California, 1915 (1a. ed.). McGraw-Hill Book Company, Inc.

Goethal, George W. The Panama Canal, an Engineering Treatise. A Series of Papers Covering in Full Detail the Technical Problems Involved in the Construction of the Panama Canal. Geology, Climatology, Municipal Engineering, Dredging, Hidraulycs, Power Plants, Etc. Prepared by Engineering and Other Specialist in Charge of the Various Branches of the Work and Presented at the International Engineering Congress, San Francisco, California, 1915. 1a. ed. Nueva York: McGraw-Hill Book Company, Inc, 1916.

Goethal, George W. The Panama Canal, an Engineering Treatise. A Series of Papers Covering in Full Detail the Technical Problems Involved in the Construction of the Panama Canal. Geology, Climatology, Municipal Engineering, Dredging, Hidraulycs, Power Plants, Etc. Prepared by Engineering and Other Specialist in Charge of the Various Branches of the Work and Presented at the International Engineering Congress, San Francisco, California, 1915. 1a. ed. McGraw-Hill Book Company, Inc, 1916.