January 9, 2008 | 12:00 a.m. CST
In an effort to tame the mighty Missouri River, the Army Corps of Engineers has created a channelized and almost unrecognizable shell of the river's former self. While this protects farmers’ crops, the pallid sturgeon evolved over millions of years to live in a radically different environment. These notched dikes, seen from above, are part of the Corps’ effort to create habitat suitable for the pallid sturgeon and the creatures the fish feeds on.

RELATED STORIES: Struggling sturgeon