Notes on the survey of the boundary line between Mexico and the United States [microform] /
Emory, William H.(William Hemsley),1811-1887.
American Association for the Advancement of Science.
Cincinnati : Morgan & Overend, Printers,
1851.
Sabin 22537
"Read before the fifth meeting of the American Association for the Advancement of Science, held at Cincinnati, May, 1851."
Microfiche.
Military topography