Wikimedi'Òc

Mina de Ouro em Idaho Springs.JPG - Pri Lalli

Argo Gold Mine & Mill.jpg - Greverod

Idaho Springs CO - Argo Mill.jpg - Flickr upload bot

Argo Gold Mine and Mill sign IMG 5423.JPG - Billy Hathorn

Algae in water flowing from Argo Tunnel.jpg - Sharpy

WATER POLLUTED BY HIGH MINERAL CONTENT FLOWS FROM THE ABANDONED ARGO MINE - NARA - 544769.jpg - US National Archives bot

WATER THAT HAS BEEN POLLUTED BY MINERAL CONTENT SEEPS FROM THE ARGO MINE - NARA - 544795.jpg - US National Archives bot

Argo Gold Mine.jpg - MGA73bot2

Argo-Treatment-Plant.jpg - Innotata

Argo-Tunnel-2009.jpg - Innotata

The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs, Colorado, built at the entrance of the Argo Tunnel LCCN2015633014.tif - Fæ

The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs, Colorado, built at the entrance of the Argo Tunnel LCCN2015633050.tif - Fæ

The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs, Colorado, built at the entrance of the Argo Tunnel LCCN2015633051.tif - Fæ

The Argo Gold Mine and Mill, a former mining and milling property consisting of a gold mine and gold mill in Idaho Springs, Colorado, built at the entrance of the Argo Tunnel LCCN2015633049.tif - Fæ

The old Argo gold mill became a mining museum, Idaho Springs, Colorado LCCN2011631805.tif - Fæ

Argo Tunnel and Mill.jpg - Int77345

Mines developed by the Newhouse Tunnel - DPLA - 086fdeabd205b0482fc6f306474efbdf.jpg - DPLA bot

Cross-section of the Newhouse Tunnel - DPLA - 239ca4602977692ba6c8affe7862d01c.jpg - DPLA bot