Lejcher, Terrence R; Leydecker, Allen D. 1973. Engineering Field Notes: Volume 5 Numbers 5 and 6 May – June 1973. 7371 3803. Missoula, MT: U.S. Department of Agriculture, Forest Service, Missoula Technology and Development Center. 16 p.

Topics in this issue include:

• A Method for Determining Riprap Specifications
• Use of Gabions for Low Water Crossings Primitive or Secondary Forest Roads

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