Subject
- Clam fisheries -- Oregon[remove]67
- Razor-clams -- Oregon17
- Shellfish fisheries -- Oregon -- Management14
- Razor clams -- Oregon9
- Clamming -- Oregon8
- Clam fisheries -- Oregon -- Statistics6
- Clams -- Oregon5
- Shellfish investigation information report5
- Clamming -- Oregon -- Statistics4
- Shellfish fisheries -- Research -- Oregon4
- Clams -- Oregon -- Geographical distribution2
- Clatsop Beach (Or.)2
- Fisheries management -- Oregon2
- Razor clams -- Oregon -- Management2
- Abalone fisheries -- Oregon1
- Clam culture -- Oregon1
- Coos Bay (Or.)1
- Coos Bay Estuary (Or.)1
- Crab fisheries -- Oregon1
- Dredges1