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Aerators of Pulp Mill Sludge Pond
Pulp Mill Industry Machinery Waste Treatment Water
Aerators in sludge pond of Alberta-Pacific pulp mill; trees in background
2013-12-03
R.G. Holmberg
R.G. Holmberg (Contributor)
photographs
image/jpg
http://creativecommons.org/licenses/by-nc/4.0/ Copyright R.G. Holmberg