20230912 09222800 1.0 TRUE County Boundaries Source: US. Census 2010. The selected geographic and cartographic information (line segments) are derived from the U.S. Census Bureau's Master Address File Topologically Integrated Geographic Encoding and Referencing (MAF/TIGER) database. Metadata: http://oe.oregonexplorer.info/metadata/counties_census_2010.html Download: http://www.census.gov/cgi-bin/geo/shapefiles2010/main