2 "Ficheiro:Engineer_update_-_USACE-p16021coll8-2346.pdf".

Ficheiro:Engineer update - USACE-p16021coll8-2346.pdf

Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/2346 Date digitized InfoField 2012...

Ficheiro:Public Works digest - USACE-p16021coll8-4230.pdf

Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/4230 Date digitized InfoField 2017...

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