USFWS National Digital Library

- Comprehensive Conservation Plan Red Rock Lakes National Wildlife Refuge
- Document;Wildlife refuges; Planning
- redrocklakes_final.pdf
- Documents
- Draft proposed plan for enhancing the Rocky Mountain population of trumpeter swans on units of the National Wildlife Refuge System
- Document; Birds;
- trumpeterswan_nwrspop00.pdf
- Documents
- Eugene Kridler oral history transcript
- History; Biography; Employees (USFWS); Surveying; Tagging; Endangered species; Birds; Management; Biologists (USFWS)
- Eugene Kridler oral history interview as conducted by Jerry C. Grover.
- Documents
- Draft Comprehensive Conservation Plan and Environmental Assessment Red Rock Lakes National Wildlife Refuge
- Document;Wildlife refuges; Planning
- redrocklakes_draft.pdf
- Documents
- Comprehensive Conservation Plan Lost Trail National Wildlife Refuge
- Document;Wildlife refuges; Planning
- index.cpd
- Documents
- Augering holes for explosives
- History; Maintenance; Wildlife refuges; Fishes; Employees (USFWS);
- Orlan E. Hall, maintanance man, augering hole for TNT charge to removes beaver dam to permit run of spawning grayling to ascend.
- Images
- Work of the Service
- History; Wildlife refuges; Maintenance; Fishes; Dams;
- Beaver dam outside refuge boundary, before opening with TNT (dynamite) to permit run of spawning grayling to ascend - Actual preparation for removal of this dam
- Images
- Work of the Service
- History; Wildlife refuges; Maintenance; Fishes; Dams;
- Beaver dam after opening with TNT to permit run of spawning grayling to ascend.
- Images