Bonnet, R. D Arcy; Bovey, Charles ; Dywer, Charles . 1971. Engineering Field Notes: Volume 3 Number 10 October 1971. 7171 3810. Washington DC: U.S. Department of Agriculture, Forest Service, Engineering. 15 p.
Topics in this issue include:
- People and Environment
- Ski Lift Thruster Brake Problem
- Coefficients of Friction for Ski Lift Drive Sheave Liners
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