Partition of the surface rights of Navajo-Hopi Indian land : hearing before the Committee [that is, Subcommittee] on Indian Affairs of the Committee on Interior and Insular Affairs, United States Senate, Ninety-third Congress, first session on H.R. 1193, a bill to authorize the partition of the surface rights in the joint use area of the 1882 executive order Hopi Reservation and the surface and sub-surface rights in the 1934 Navajo Reservation between the Hopi and Navajo tribes, to provide for allotments to certain Paiute Indians, and for other purposes, March 7, 1973 (U.S. Government Printing Office, 1973)