Photos: Dam modifications restore wildlife habitat


Boot prints
1 Boot prints 
Excavator
2 Excavator 
Luther Aadland, river ecologist
3 Luther Aadland, river ecologist 
Dam modification
4 Dam modification 
Dam retrofit
5 Dam retrofit 
Boulder placement
6 Boulder placement 
Excavators maneuver boulders
7 Excavators maneuver boulders