Sweaney, Bill ; Riley, Pat ; Taylor, Heyward T; Weller, Charles R; Strickland, Harold L. 1974. Engineering Field Notes: Volume 6 Number 12 December 1974. 7471 3812. Washington DC: U.S. Department of Agriculture, Forest Service, Engineering. 14 p.

Topics in this issue include:

• Calculating Weight in Pounds from Liquid Flow in Gallons per day and Subject Chemical or Contaminant in Milligrams per liter.
• Aggregate Base Reduction by Grid Rolling
• Washington Office Division of Engineering News

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