2 "Ficheiro:Rip_rap_-_USACE-p16021coll8-1631.pdf".

Ficheiro:Rip rap - USACE-p16021coll8-1631.pdf

English: Rip rap – 1978 February   (  ) Author English: United States. Army. Corps of Engineers. Albuquerque District Title English: Rip rap – 1978 February...

Ficheiro:Public Works digest - USACE-p16021coll8-4199.pdf

Greyscale 8 bit/300 dpi, Color 24 bit/300 dpi Source https://usace.contentdm.oclc.org/digital/collection/p16021coll8/id/4199 Date digitized InfoField 2017...

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