Region 9: Columbia-Pacific Northwest
Idaho, Most of Oregon, Washington, Northwest Montana
Related Links
Geodiversity Atlas pages—by Inventory & Monitoring Networks
Appalachian Highlands Network Index
Arctic Network Index
Central Alaska Network Index
Chihuahuan Desert Network Index
Cumberland Piedmont Network Index
Eastern Rivers and Mountains Network Index
Great Lakes Network Index
Greater Yellowstone Network Index
Gulf Coast Network Index
Heartland Network Index
Klamath Network Index
Mediterranean Coast Network Index
Mid-Atlantic Network Index
Mojave Desert Network Index
National Capital Network Index
North Coast and Cascades Network Index
Northeast Coastal and Barrier Network Index
Northeast Temperate Network Index
Northern Colorado Plateau Network Index
Northern Great Plains Network Index
Pacific Islands Network Index
Rocky Mountain Network Index
San Francisco Bay Area Network Index
Sierra Nevada Network Index
Sonoran Desert Network Index
South Florida/Caribbean Network Index
Southeast Alaska Network Index
Southeast Coast Network Index
Southern Colorado Plateau Network Index
Southern Plains Network Index
Southwest Alaska Network Index
Upper Columbia Basin Network Index
Arctic Network Index
Central Alaska Network Index
Chihuahuan Desert Network Index
Cumberland Piedmont Network Index
Eastern Rivers and Mountains Network Index
Great Lakes Network Index
Greater Yellowstone Network Index
Gulf Coast Network Index
Heartland Network Index
Klamath Network Index
Mediterranean Coast Network Index
Mid-Atlantic Network Index
Mojave Desert Network Index
National Capital Network Index
North Coast and Cascades Network Index
Northeast Coastal and Barrier Network Index
Northeast Temperate Network Index
Northern Colorado Plateau Network Index
Northern Great Plains Network Index
Pacific Islands Network Index
Rocky Mountain Network Index
San Francisco Bay Area Network Index
Sierra Nevada Network Index
Sonoran Desert Network Index
South Florida/Caribbean Network Index
Southeast Alaska Network Index
Southeast Coast Network Index
Southern Colorado Plateau Network Index
Southern Plains Network Index
Southwest Alaska Network Index
Upper Columbia Basin Network Index
Geodiversity Atlas pages—by State, U.S. Commonwealth, and Territories
Alabama | Alaska | Arizona | Arkansas | California | Colorado | Connecticut | District of Columbia | Delaware | Florida | Georgia | Hawaii | Idaho | Illinois | Indiana | Iowa | Kansas | Kentucky | Louisiana | Maine | Maryland | Massachusetts | Michigan | Minnesota | Mississippi | Missouri | Montana | Nebraska | Nevada | New Hampshire | New Jersey | New Mexico | New York | North Carolina | North Dakota | Ohio | Oklahoma | Oregon | Pennsylvania | Rhode Island | South Carolina | South Dakota | Tennessee | Texas | Utah | Vermont | Virginia | Washington | West Virginia | Wisconsin | Wyoming
U.S. Commonwealth and Territories
Geodiversity Atlas pages—by Unified Interior Regions
Region 1: North Atlantic-Appalachian
Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
Region 3: Great Lakes
Region 4: Mississippi Basin
Region 5: Missouri Basin
Region 6: Arkansas-Rio Grande-Texas-Gulf
Region 7: Upper Colorado Basin
Region 8: Lower Colorado Basin
Region 9: Columbia-Pacific Northwest
Region 10: California-Great Basin
Region 11: Alaska
Region 12: Pacific Islands (American Samoa, Hawaii. Guam, Commonwealth of the Northern Mariana Islands)
Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands)
Region 3: Great Lakes
Region 4: Mississippi Basin
Region 5: Missouri Basin
Region 6: Arkansas-Rio Grande-Texas-Gulf
Region 7: Upper Colorado Basin
Region 8: Lower Colorado Basin
Region 9: Columbia-Pacific Northwest
Region 10: California-Great Basin
Region 11: Alaska
Region 12: Pacific Islands (American Samoa, Hawaii. Guam, Commonwealth of the Northern Mariana Islands)
Last updated: June 16, 2020