Cities and towns
Conservation of natural resources
Conservation of natural resources -- Government policy
Conservation of natural resources -- Law and legislation
Emigration and immigration
Exoticism in literature.
Forests and forestry
Frontier And Pioneer Life
Gold mines and mining
Indians of North America
Japanese Americans -- Evacuation and relocation, 1942-1945
Labor unions -- Miners
Labor unions -- Railroads
Land use -- Government policy
Mexican American Border Region
Mines and mineral resources
National parks and reserves
Overland journeys to the Pacific.
Petroleum -- Geology
Reclamation of land
Rural electrification -- Political aspects
Scouts and scouting
United States -- Boundaries -- Canada.
United States -- Boundaries -- Mexico
United States -- Exploring expeditions
United States -- Territorial expansion
United States. Army.
United States. Army. Corps of Engineers
United States. Army. Corps of Topographical Engineers
United States Exploring Expedition (1838-1842)
Water -- Law and legislation
Water resources development
Water-supply -- Government policy
West (U S)
West (U.S.) -- Civilization.
West (U.S.) -- Description and travel
West (U.S.) -- Discovery and exploration.
West (U.S.) -- Economic conditions
West (U.S.) -- Environmental conditions.
West (U.S.) -- Ethnic relations
West (U.S.) -- Folklore.
West (U.S.) -- History
West (U.S.) -- History--Nineteenth century
West (U.S.) -- History--To 1848
West (U. S.) --History 1848 1860
West (U.S.) -- History--1860-1890
West (U.S.) -- History--Civil War, 1861-1865
West (U.S.) -- History--1890-1945
West (U.S.) -- History--1945-
West (U.S.) -- Politics and government
West (U.S.) -- Race relations
West (U.S.) -- Social conditions
West (U.S.) -- Social life and customs