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About Us

100TH MERIDIAN INITIATIVE

Regional

The 100th Meridian Initiative is a cooperative effort between local, state, provincial, regional, tribal, and federal agencies to prevent the westward spread of zebra/quagga mussels and other aquatic nuisance species in North America. The Columbia River Basin Team is comprised of 100th Meridian Initiative partners, primarily in Washington, Oregon, Montana, Idaho, Montana, Wyoming, and British Columbia.

Columbia River Basin (CRB) Team

The next meeting of the 100th Meridian Initiative Columbia River Basin AIS Team will be held in the latter part of 2023.

​Contact Amy Stark for further information --> astark@psmfc.org

Meeting Minutes - Past CRB Meetings​
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