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County Boundaries

Published by Bureau of Land Management | State of Oregon | Metadata Last Checked: January 27, 2026 | Last Modified: 2023-07-12
COB_POLY: This theme shows the jurisdictional and cartographic county areas for Oregon and Washington. The POCA layer is an integrated set of geographic- referencing data covering the state of Washington. It is derived from land surveys, DNR orthophotos, USGS 7.5' quadrangles, and DNR tract books.

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