Forms and Tables
Forms
Tables
- Culvert Sizing Table I - Use for North Idaho and the Salmon River Drainage (PDF)
- Culvert Sizing Table II - Use for South Idaho (PDF)
- Cross ditch spacing for roads and skid trails (PDF)
- Maximum allowable gradient of nonembedded culverts (PDF)
- Minimum Stocking — Acceptable Trees and Size Class/Weight (PDF)
- Relative Stocking by Diameter Class (PDF)
- Soil Best Management Practices (PDF)
- Spawning times for salmonid species (PDF)
- Insects indicating high water quality (PDF)