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Spatial Extent of Data

USGS Data Source

USGS Thesaurus Keywords

natural resource management, data integration, watershed management

ISO 19115 Topic Category

inlandWaters, biota

Other Subject Keywords

dam, Castor canadensis, beaver

Place Keywords

Oregon, Washington County, Tualatin River

Beaver dam locations in the Tualatin Basin, Oregon (ver. 2.0, November 2019)

This ArcGIS shapefile shows the known locations of beaver dams in the Tualatin Basin. The dam location information was generated by multiple local agencies, groups, and organizations. The local sources had identified the beaver dams between 2011 and 2019. USGS worked with these local sources to combine all data into one inventory.

Get Data and Metadata
Author(s) Cassandra D Smith orcid
Publication Date 2017
Beginning Date of Data 2011
Ending Date of Data 2019
Data Contact
U.S. Geological Survey - ScienceBase
DOI https://doi.org/10.5066/F7PZ57QP
Citation Smith, C.D., 2017, Beaver dam locations in the Tualatin Basin, Oregon (ver. 2.0, November 2019): U.S. Geological Survey data release, https://doi.org/10.5066/F7PZ57QP.
Metadata Contact
Cassandra Smith
Metadata Date 2025-11-13
Related Publication
Citations of these data

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License http://www.usa.gov/publicdomain/label/1.0/
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Harvest Source: ScienceBase
Harvest Date: 2025-11-14T05:05:00.487Z