. . . . . . "Hearings before the secretary of the interior on leasing of oil lands and natural gas wells in indian territory and territory of oklahoma"@en . . "Hearings before the Secretary of the Interior on leasing of oil lands and natural-gas wells in Indian Territory and Territory of Oklahoma" . . "Hearings before the Secretary of the Interior on leasing of oil lands and natural-gas wells in Indian Territory and Territory of Oklahoma"@en .