Columbia subject headings:
Cities and towns--Growth--Case studies.
City planning--California--San Francisco.
City planning--Colorado--Denver.
Urbanization--West (U.S.)--Case studies.
Harvard subject headings:
Cities and towns--West (U.S.)--Growth--Case studies.
City planning--California--San Francisco--History--19th century.
City planning--Colorado--Denver--History--19th century.
Denver (Colo.)--City planning.
San Francisco (Calif.)--City planning.
Urbanization--West (U.S.)--Case studies.
Princeton subject headings:
Cities and towns--West (U.S.)--Growth--Case studies.
City planning--California--San Francisco--History--19th century.
City planning--Colorado--Denver--History--19th century.
Urbanization--West (U.S.)--Case studies.