DeKalb, Victor ; Sullivan, Edward C; Strickland, Harold L; Taylor, Heyward T; Weller, Charles R. 1974. Engineering Field Notes: Volume 6 Number 9 September 1974. 7471 3809. Washington DC: U.S. Department of Agriculture, Forest Service, Engineering. 16 p.
Topics in this issue include:
- The Prediction Recreation Traffic Served National Forests
- Washington Office Division of Engineering News
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