Columbia subject headings:
Harvard subject headings:
Ballistic missile defenses--United States--Pictorial works.
Colstrip (Mont.)--Pictorial works.
Hanson, David T.
Hazardous waste sites--United States--Pictorial works.
Illustrated works.
Waste lands--United States--Pictorial works.
Princeton subject headings:
Colstrip (Mont.)--Pictorial works.
Endangered species--Habitat--United States--Pictorial works.
Guided missile silos--United States--Pictorial works.
Hazardous waste sites--United States--Pictorial works.
Landscape photography.
Strip mining--Environmental aspects--Montana--Colstrip--Pictorial works.
Strip mining--Environmental aspects--United States--Pictorial works.
Waste lands--United States--Pictorial works.