| ABOUT THE AUTHOR Dave graduated from the University of Washington in 2006 with a degree in environmental science. He has 42 years of experience in the “workplace”, including overseas service in the U.S. Navy in the late 1960’s. He has worked as a mathematics instructor, an electronics technician, and an antique clock repair technician. Dave has spent the past 14 years designing, studying, building and testing slow sand water filters; and the past 19 years keeping track of rainfall totals here at this location in Snohomish county. | |
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