Photo By/Credit
photo courtesy Upper Mississippi River National Wildlife and Fish Refuge
Media Usage Rights/License
Public Domain
Image
A moment of quiet reflection on the northern reaches of the Mississippi River, as Bureau of Biological Survey chief Ira Gabrielson (1889-1977) casts a line off a vessel of the Upper Mississippi River National Wildlife and Fish Refuge during a 1937 Congress. Refuge Historic cd 1-Gabrielson30