National Indian goals and progress act: hearing before the Subcommittee on Indian Affairs of the Committee on Interior and Insular Affairs, United States Senate, Ninety-third Congress, first session, on S. 1786, a bill to require an annual authorization for appropriations for federal programs for the benefit of American Indian people; establish specific annual goals to measure the effectiveness of these programs; improve the delivery of services and assistance; insure effective and continuing congressional oversight; and for other purposes. June 12, 1973