2 "Fișier:Public_Works_digest_-_USACE-p16021coll8-4223.pdf".

Fișier:Public Works digest - USACE-p16021coll8-4223.pdf

Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/4223 Date digitized InfoField 2017...

Fișier:Constellation - USACE-p16021coll8-466.pdf

Publication date January 2009 Accession number Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/466 Date digitized InfoField 2012...

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