Hudson-Meng Bison Kill Museum and Archaeology Research Center Crawford, NE Operated by the Mammoth Site of Hot Springs, SD under permit from USDA FS, Nebraska National Forest and the Oglala National Grassland. You can access more info at the National Forest website and click on "special places": www.fs.fed.us/r2/nebraska/   308-665-3900 There is also information here: http://www.fossilfreeway.net/hudson.php Agate Fossil Beds National Monument (U. S. National Park Service) Visitor Center and Museum http://www.nps.gov/agfo Oglala National Grasslands U.S. Department of Agriculture Forest Service http://www.fs.fed.us/r2/nebraska/units/prrd/oglala.html 308-668-2211  Webmaster