Columbia subject headings:
Battlefields--Texas.
Mexican War, 1846-1848--Battlefields--Texas.
Texas--History, Local.
Harvard subject headings:
Archaeological surveying--Texas.
Battlefields--Texas
Mexican War, 1846-1848--Battlefields--Texas.
Palo Alto Battlefield National Historical Park (Tex.)
Texas--Antiquities
Texas--History, Local.
Princeton subject headings:
Mexican War, 1846-1848--Battlefields--Texas.
Palo Alto Battlefield National Historical Park (Tex.)
Texas--Antiquities.
Texas--History, Local.