Helicopters - Washington, National Forest Service photograph.
Summary
Photographs Relating to National Forests, Resource Management Practices, Personnel, and Cultural and Economic History
Tags
helicopters
washington
national forest service
aircraft
helicopter
washington state
20th century
high resolution
ultra high resolution
resource management practices
national forests
economic history
enviromental protection
us national archives
Date
1900 - 1966
Source
The U.S. National Archives
Link
Copyright info
No known copyright restrictions