Arkansas riverbed rights of Cherokee, Choctaw, and Chickasaw Indian Nations : hearing before the U.S. Senate, Select Committee on Indian Affairs, on S. 660, to authorize the Secretary of the Interior to enter into an agreement with the Cherokee, Choctaw, and Chickasaw Indian nations for the purchase and/or lease by the United States of each nation's rights and interests in the riverbed of the Arkansas River, and for other purposes (U.S. Government Printing Office, 1977)