This polygon data layer represents watersheds for Portland Metro, Oregon in 1999. The dataset was originally published by the Metro Data Resource Center in February 2001.[Watersheds for the region. Delineated by hand using USGS 7.5 minute quad topography. Improved by comparing to Oregon State Service Center for GIS (SSCGIS) fifth order stream information.]
Creator
Metro Data Resource Center
Temporal Coverage
1999-07-01
Date Issued
2001
Rights
https://uwm.edu/libraries/digital-collections/copyright-digcoll. Please see the UWM Libraries statement on Copyright and Digital Collections. , Although this data is being distributed by the American Geographical Society Library at the University of Wisconsin-Milwaukee Libraries, no warranty expressed or implied is made by the University as to the accuracy of the data and related materials. The act of distribution shall not constitute any such warranty, and no responsibility is assumed by the University in the use of this data, or related materials.