USDA Forest Service, Region 6 format, Zone 1 National Forests, Davis-Bacon area 3, Cost estimating guide for road construction, October 1993
Subtitle: Gifford Pinchot National Forest
By: U.S. Forest Service
Publisher: U.S. Forest Service, Pacific Northwest Region
Published: 1993
Place of publication: Portland, OR
Number of pages: 110
Other titles: Metal mining and the environment bibliography (Olympia, WA)
Notes: 13