- Audubon Society of Portland
- 5151 NW Cornell Road, Portland, Oregon, 97230
- BES Pollution Control Lab
- 6543 N Burlington Ave, Portland, Oregon, 97203
- BES Water Pollution Control Lab
- 6543 N Burlington Ave, Portland, Oregon, 97203
- Bridgeport United Church of Christ
- 621 NE 76th Ave, Portland, Oregon, 97213
- Charles Jordan Community Center
- 9009 N Foss, Portland, Oregon, 97217
- Clackamas Community College Environmental Learning Center
- 19600 Molalla Ave, Oregon City, Oregon, 97045
- Clackamas County Event Center
- 694 NE 4th Ave, Canby, Oregon, 97013
- Clark County Event Center at the Fairgrounds
- 17402 NE Delfel Road, Ridgefield, WA
- Colonel Summers Park
- SE 21st Ave & Belmont, Portland, OR
- E. Multnomah Soil & Water Conservation District Office
- 5211 N. Williams Ave., Portland, Oregon, 97217
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