Web Mapping Resources

 

◊  Oregon 8-digit Hydrologic Units, using the National Map 

• Please read these instructions first:
1. On the Map Layers tab, click "Water" to show available layers.
2. Check the box for "Hydrologic Units (Watersheds).
3. Use the "Zoom in" tool to locate your area of interest.
4. Additional map layers can be checked under "Basic Maps" to aid navigation.
5. Use the "Identify" tool to display watershed information.

The following documents requires Adobe Acrobat

If you encounter any problems with the files provided on this page, please contact Ian Reid, (503) 414-3015.

◊  Web Map Services

• Adding Orthoimagery to ArcMap Using a Web Map Service  (PDF; 377 KB)
• Adding National Wetlands Inventory Data in ArcMap Using a Web Map Service  (PDF, 316 KB)

Last Modified:  11/09/2009

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