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Mississippi National River and Recreation Area winter_small_2
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Mississippi National River and Recreation Area
Native Mussel Gallery
Black sandshell
Fatmucket
Monkeyface
Rock-pocketbook
Threeridge
Butterfly
Fawnsfoot
Mucket
Round pigtoe
Wabash pigtoe
Creek Heelsplitter
Fluted-shell
Paper floater
Salamander
Wartyback
Cylindrical papershell
Fragile papershell
Pimpleback
Sheepnose
Washboard
Deertoe
Giant floater
Pink heelsplitter
Snuffbox
White heelsplitter
Ebonyshell
Hickorynut
Pink papershell
Spectaclecase
Winged mapleleaf
Elephant-ear
Higgin's eye
Pistolgrip
Spike
Yellow sandshell
Elktoe
Lilliput
Plain pocketbook
Strange floater
Ellipse
Mapleleaf
Purple wartyback
Threehorn wartyback

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Lock and Dam Number 1 from a long distance.

Did You Know?
At Lake Itasca, the elevation of the Mississippi River is 1,475 feet above sea level. It drops to sea level at the Gulf of Mexico. More than half of that drop occurs within the state of Minnesota.
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Last Updated: May 02, 2008 at 17:03 MST