1.
 |  | Title: Washington County (Images of America) by Washington County Historical Society ISBN: 0738515671 Publisher: Arcadia Pub. Date: 01 November, 2003 List Price: $19.99 Amazon.com Price: $19.99 |
2.
 |  | Title: Modeling Discharge, Temperature, and Water Quality in the Tualatin River, Oregon: By Stewart A. Rounds, Tamara M. Wood, and Dennis D. Lynch (U.S. Geological Survey Water-Supply Paper, 2465-B.) by Stewart Rounds, Tamara M. Wood, Dennis D. Lynch, Washington County, Geological Survey ISBN: 0607928344 Publisher: U s Geological Survey Pub. Date: 01 September, 1999 List Price: $55.01 Amazon.com Price: $55.01 |
3.
 |  | Title: Sources and Transport of Phosphorus and Nitrogen During Low-Flow Conditions in the Tualatin River, Oregon, 1991-93 (U.S. Geological Survey Water-Supply Paper, 2465.) by Valerie J. Kelly, Dennis D. Lynch, Stewart Rounds, Washington County, Geological Survey ISBN: 0607928433 Publisher: U s Geological Survey Pub. Date: 01 December, 1999 List Price: $55.01 Amazon.com Price: $55.01 |
4.
 |  | Title: Washington County, Alabama, the History of (Washington County, Alabama, the History of) by Washington County Historical Society Sta, Barbara Waddell ISBN: 0893086320 Publisher: Southern Historical Press, Inc. Pub. Date: December, 1989 List Price: $50.00 Amazon.com Price: $50.00 |