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Executive Order 5552—Revocation of Withdrawal of Public Lands Containing Oil Shale
Herbert Hoover
Executive Order 5546—Extension of Trust Period on Allotments of Indians on the Cheyenne River Reservation, South Dakota
Executive Order 5539—Extension of Trust Period on Allotments on Ponca Indians, Oklahoma
Proclamation 1928—Enlarging the Aztec Ruins National Monument, New Mexico
Executive Order 5516—Extension of Trust Period on Allotments to Indians on the Umatilla Reservation, Oregon
