| 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
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| 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
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| 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
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