Energy and material resources
By: by Winston Ehrmann and Dudley Williams, with maps and diagrams by Robert Ray Mulligan.
Contributors: Williams, Dudley F., joint author.; Gaddum, Leonard William, 1890-
Publisher: Kallman publishing company
Published: 1941
Place of publication: Gainesville, Fla
Language: eng
Number of pages: 378
Subjects: Technology.; Science.; Economic geography.
Notes: "Lithoprinted."
"The companion volume of Man's physical environment ... Dr. L. W. Gaddum was the originator of the plan of these two volumes and the chief contributor to the first."-Pref.