Savoca, M. E. (2009). Hydrogeologic framework, groundwater movement, and water budget in tributary subbasins and vicinity, lower Skagit River Basin, Skagit and Snohomish Counties, Washington. U.S. Dept. of the Interior, U.S. Geological Survey.
Chicago Style (17th ed.) CitationSavoca, Mark E. Hydrogeologic Framework, Groundwater Movement, and Water Budget in Tributary Subbasins and Vicinity, Lower Skagit River Basin, Skagit and Snohomish Counties, Washington. Reston, Va.: U.S. Dept. of the Interior, U.S. Geological Survey, 2009.
MLA (9th ed.) CitationSavoca, Mark E. Hydrogeologic Framework, Groundwater Movement, and Water Budget in Tributary Subbasins and Vicinity, Lower Skagit River Basin, Skagit and Snohomish Counties, Washington. U.S. Dept. of the Interior, U.S. Geological Survey, 2009.