U.S.D.A. Forest Service Region 6
Subtitle: cost estimating guide for road construction, Davis-Bacon wage rate area 4, effective date October 1992
By: U.S. Forest Service
Publisher: U.S. Forest Service, Pacific Northwest Region
Published: 1992
Place of publication: Portland, OR
Number of pages: 105
Other titles: Metal mining and the environment bibliography (Olympia, WA)
Notes: 13