Water quality monitoring of drinking water supply sources in 1977, North Cascades National Park, Ross Lake and Lake Chelan National Recreation Areas
Wasem CR. 1977. Water quality monitoring of drinking water supply sources in 1977, North Cascades National Park, Ross Lake and Lake Chelan National Recreation Areas. Miscellaneous research Paper NCA-14. US National Park Service, North Cascades National Park. Sedro-Woolley, WA
Monitoring of physical, chemical, and bacteria for water quality of 6 streams and a well. Historical information re: surface water supply sources.