Photo By/Credit
photo courtesy Upper Mississippi River National Wildlife and Fish Refuge
Media Usage Rights/License
Public Domain
Image
The upper reaches of the Mississippi River were the focus of conservationists and engineers alike in the 1920's and 1930's; the free-flowing river¬â„¢s tendency to flood prompted construction of a series of locks and dams during the New Deal, providing a dep. WV-HistoricCD2