| http://www.w3.org/ns/prov#value | - Secchi Day on Beaver Lake is made possible by 11 partners including Audubon Arkansas, Beaver Water District, the U.S. Army Corps of Engineers-Beaver Lake, the U.S. Geological Survey, the University of Arkansas Cooperative Extension Service, Hobbs State Park, Arkansas Master Naturalists, the Association for Beaver Lake Environment, Beaver Watershed Alliance, Arkansas Game & Fish Commission, and Oza
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