Mac's pack
Employee suggestion submitted by Llewellyn J. McDowell, Jr. of the Salem District offers a possible solution to the long standing problem of carrying survey stakes and other field equipment. Customize a carrying pack out of old automobile inner tubes. Includes sketch of basic design
Libro a stampa, English, 1969
U.S. Department of the Interior, Bureau of Land Management, Portland Service Center, Portland, Or., 1969