English: Engineer: The professional bulletin for Army engineers – 1989 July ( ) Author English: U.S. Army Engineer School; U.S. Army Maneuver Support...
Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/1630 Date digitized InfoField 2013...