Collins, Thomas K; Hicks, Billie G; Stockdale, Thomas W; Butts, George F. 1972. Engineering Field Notes: Volume 4 Numbers 9 and 10 September -- October 1972. 7271 3805. Washington DC: U.S. Department of Agriculture, Forest Service, Engineering. 18 p.
Topics in this issue include:
- Engineering Geology in a Massively Unstable Region
- Classification of Crankcase Oils
- Preservation of Tree Land Corners
These files are best for printing:
View 300 dpi PDF (1900 kb)