Chain drive gear alignment

Photo By/Credit

USFWS

Media Usage Rights/License

Public Domain

Image

Drive and receiver sprocket gears with replaced bolts, chain and tensioner attached

Facility

Ecosystem

Lake

River/stream

Recreational Activity

Subject tags

Animal health

Aquaculture

Biological control

Buildings, facilities and structures

Captive breeding

Contaminants

Employees (USFWS)

Environmental quality

Farms and farming systems

Fish hatcheries

Freshwater fish

Infrastructure

Maintenance

Pollution

Rivers and streams