Back to City of Chewelah wastewater treatment plantEditionCity of Chewelah wastewater treatment plantClass II inspection, October 3-6, 1994199519 pagesengOL13620047MOpen LibraryPublishersWashington State Dept. of Ecology, Environmental Investigations and Laboratory Services ProgramPublish placesOlympia, WAPaginationvi, 19, [12] p. :Languageseng