Social change - History - 20th century. - West (U.S.)

Cities and nature in the American West by: (Electronic resources)

Social change- History- 20th century.- West (U.S.)

West (U.S.)- Environmental conditions.

Urban ecology (Sociology)- History- 20th century.- West (U.S.)

Environmentalism- History- 20th century.- West (U.S.)

City planning- Environmental aspects- 20th century.- West (U.S.)

West (U.S.)- Social conditions- 20th century.

Nature- Effect of human beings on- 20th century.- West (U.S.)

Urbanization- Environmental aspects- 20th century.- West (U.S.)

West (U.S.)- History, Local.