Columbia subject headings:
Mexican War, 1846-1848--Engineering and construction.
Mexican War, 1846-1848--Regimental histories--United States.
Military topography--United States--History--19th century.
United States. Army. Corps of Topographical Engineers--History.
Harvard subject headings:
Mexican War, 1846-1848--Engineering and construction.
Mexican War, 1846-1848--Regimental histories--United States
Military topography--United States--History--19th century.
United States. Army. Corps of Topographical Engineers--History.
Princeton subject headings:
Mexican War, 1846-1848--Engineering and construction.
Mexican War, 1846-1848--Regimental histories--United States.
Military topography--United States--History--19th century.
United States. Army. Corps of Topographical Engineers--History.