Spatial Coverage
- Colville National Forest (Wash.)7
- Shelikof Strait (Alaska)7
- Soviet Union7
- Arizona6
- Arizona.6
- California6
- New Mexico6
- Superior, Lake6
- Unalaska Island (Alaska)6
- Alaska Peninsula Region (Alaska)5
- Baranof Island (Alaska)5
- Beaufort Sea5
- Chatham Strait (Alaska)5
- Clarence Strait (Alaska)5
- Columbia River5
- Dixon Entrance (B.C. and Alaska)5
- Frenchman Bay (Me.)5
- Ledyard Bay (Alaska)5
- Long Island Sound (N.Y. and Conn.)5
- Maine, Gulf of5
