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 Congres. Subjects: refuge centennial; History. . 1998 - 2011.

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Size: 1727px × 2895px
Photo credit: © piemags/FWL / Alamy / Afripics
License: Licensed
Model Released: No

Keywords: centennial, history, refuge