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Timothy McCandless
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AWWA water operator field guide
John M. Stubbart, William C. Lauer, Timothy J. McCandless · American Waterworks Association
432 sayfa · 2004
Distribution / Handbooks, manuals / Purification / Water / Water treatment plants
AWWA wastewater operator field guide
John M. Stubbart, John Stubbard, William Lauer, Timothy McCandless, Paul Olson · American Water Works Association
472 sayfa · 2006
Water / Sewage disposal plants / Water treatment plants / Handbooks, manuals / Purification