Discussing Future of Lewis & Clark Lake and Sedimentation

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Learn more about Lewis and Clark Lake sedimentation during a presentation May 26 at the Yankton Community Library

Learn more about the potential future of Lewis and Clark Lake and sediment accumulation at 6:30 p.m. Thursday, May 26, at the Yankton Community Library, 515 Walnut Street.

Principal investigator Tim Cowman will present findings of the Missouri River Institute (MRI) research from 2013 along with a description of continuing work at the Lewis and Clark Lake Delta. The Missouri Sedimentation Action Coalition requested MRI to research dynamics of sediment deposition and biologic diversity throughout the delta. MSAC hopes the information will illustrate which areas are better for sediment removal, as well as where watershed management would be most beneficial to reducing sediment input to the delta.

In 2013, MRI produced a series of visual products showing the impacts of historical and anticipated future sediment accumulation in the Lewis and Clark Lake Delta near Springfield. Products were the result of research that analyzed delta-related data provided by the U.S. Army Corps of Engineers and other sources, as well as data collected during field visits to the delta and surrounding area.

The research for both projects was made possible by two 319 Watershed Information and Education grants awarded to MSAC. During the month of May, MSAC has an informational display posted at the Yankton Community Library, which features artwork illustrating the future of Lewis and Clark Lake from two vantage points if sediment continues to build at the current rate.

“We encourage people to stop by the library this month to learn more about the potential future of Lewis and Clark Lake. The future of Lewis and Clark Lake is yet to be determined, however, it is important to us to illustrate to the public what will happen to the lake if we continue on the same path. Learn what that path is, what it looks like and how it could change by coming to the presentation May 26,” said Sandy Stockholm, MSAC executive director.

MSAC welcomes people to register to win one of four South Dakota State Park entrance permits, which will be given away during May. Register for the drawing at the library near the MSAC display in the magazine area. MSAC encourages the public to enjoy South Dakota’s great outdoors including the Missouri River. Library hours are 9 a.m. to 8 p.m. Monday through Thursday, 9 a.m. to 5 p.m. Friday and Saturday and 1 p.m. to 5 p.m. on Sunday.

MSAC, a 501c3 nonprofit organization, recently opened its office at 100 Douglas, Suite 103 in Yankton. MSAC was formed in June of 2001. For more information, visit www.msaconline.com.  Viewing of the display and May 26 presentation at the library are free and open to the public.