Columbia subject headings:
Cities and towns--West (U.S.)--History.
New towns--West (U.S.)--History.
Urbanization--West (U.S.)
Harvard subject headings:
City planning--West (U.S.)--History.
Princeton subject headings:
Cities and towns--West (U.S.)--History.
Frontier and pioneer life--West (U.S.)
Urbanization--West (U.S.).