2 "Ficheiro:Engineer_update_-_USACE-p16021coll8-2320.pdf".

Ficheiro:Engineer update - USACE-p16021coll8-2320.pdf

Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/2320 Date digitized InfoField 2012...

Ficheiro:Engineer- The professional bulletin for Army engineers - USACE-p16021coll8-2756.pdf

1976-10 1976-11 1976-12 Accession number Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/2756 Date digitized InfoField 2014...

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