Grand Canyon National Park Enlargement Act
Public Law 93-620 · S. 1296 · 93rd Congress · began in the Senate
Signed by Gerald Ford (R) on Jan 3, 1975 · Public Lands and Natural Resources
Sponsor: Sen. Barry Goldwater (R-AZ)
Cosponsors (27): Sen. John Beall, Sen. William Brock,
Passage votes
- HouseMethod not stated
- SenateMethod not stated
Data notes
The final version of the law, as each chamber passed it. A chamber that passed it by voice vote or unanimous consent has no count. “Method not stated” means the record does not say how the chamber voted. Where the record has a member-by-member vote, the “Who voted for it” section shows who voted yea.
Summary
The Congressional Research Service’s plain-language summary of what the law does.
Grand Canyon National Park Enlargement Act - Provides for the recognition of the entire Grand Canyon as a natural feature of national and international significance.
Prohibits the transfer of any lands held in trust for any Indian Tribe.
Abolishes the Grand Canyon National Monument and the Marble Canyon National Monument.
Authorizes the Secretary of the Interior to enter into cooperative agreements with other Federal, State, and local public departments and agencies and with interested Indian tribes to provide for the protection and interpretation of the Grand Canyon in its entirety.
Declares the lands generally depicted as the Havasupai Reservation Addition be held by the United States in trust for the Havasupai Tribe and included in the Havasupai Reservation.
Provides that (1) such lands may be used for traditional purposes, including religious purposes and the gathering of, or hunting for, wild or native foods, materials for paints and medicines; (2) such lands shall be available for use by the Havasupai Tribe for agricultural and grazing purposes, subject to the ability of such lands to sustain such use as determined by the Secretary; (3) any areas historically used as burial grounds may continue to be so used; (4) a study shall be made by the Secretary of the Interior, in consultation with the Havasupai Tribal Council, to develop a plan for the use of such land by the tribe which shall include the selection of areas which may be used for residential, educational, and other community purposes for members of the tribe and which shall not be inconsistent with, or detract from, park uses and values; (5) no commercial timber production, no commercial mining or mineral production, and no commercial or industrial development shall be permitted on such lands, although the Secretary may authorize the establishment of such tribal small business enterprises as he deems advisable to meet the needs of the tribe which are in accordance with the plan provided under this Act; and (6) nonmembers of the tribe shall be permitted to have access across such lands at locations established by the Secretary in consultation with the Tribal Council in order to visit adjacent parklands, and with the consent of the tribe may be permitted to enter and temporarily utilize lands within the reservation in accordance with the plan provided under this Act.
Authorizes to be appropriated such sums as may be necessary to carry out the provisions of this Act, not to exceed, however, $1,250,000, in the aggregate for the period of the five fiscal years beginning with fiscal year 1974, for the acquisition of lands and property, and not to exceed $49,000 for fiscal year 1974, $255,000 for fiscal year 1975, $265,000 for fiscal year 1976, and $235,000 for fiscal year 1977, for development.
Committees
The committees the bill was sent to, and what each did with it.
Data notes
A committee links to its page only where it exists in the current Congress; older and renamed committees are named without a link.
Timeline
From introduction to signing, newest first: the committees, the floor and the president. 18 actions.
- Jan 3, 1975Became lawBecame law · Signed by President.
- PresidentPresident · Public law 93-620.
- Dec 24, 1974PresidentPresident · Measure presented to President.
- Dec 18, 1974Resolving differencesResolving differences · Senate agreed to conference report.
- Resolving differencesResolving differences · Conference report agreed to in Senate: Senate agreed to conference report.
- Resolving differencesResolving differences · House agreed to conference report.
- Resolving differencesResolving differences · Conference report agreed to in House: House agreed to conference report.
- Dec 17, 1974Resolving differencesResolving differences · Conference report filed in House, H. Rept. 93-1611.
- Resolving differencesResolving differences · Conference report filed: Conference report filed in House, H. Rept. 93-1611.
- Dec 10, 1974Resolving differencesResolving differences · Conference scheduled in House.
- Dec 3, 1974Resolving differencesResolving differences · Conference scheduled in Senate.
- Oct 10, 1974FloorFloor · Measure passed House, amended.
- Sep 25, 1974CommitteeCommittee · Reported by House Natural Resources Committee
- Sep 25, 1973CommitteeCommittee · Referred to House Natural Resources Committee
- Sep 24, 1973FloorFloor · Measure passed Senate, amended.
- Sep 21, 1973CommitteeCommittee · Reported by Senate Energy and Natural Resources Committee
- Mar 20, 1973CommitteeCommittee · Referred to Senate Energy and Natural Resources Committee
- IntroducedIntroduced · Introduced in the Senate
Data notes
Shows the introduction, each committee and subcommittee step the source dates (referral, hearings, markup, report, discharge), and the floor, conference, presidential and became-law steps. Calendar placements, messages between the chambers, amendments and committee report numbers are not shown for laws before the 108th Congress. Two entries the source lists twice are shown once.
Official record
The bill’s full text and every action, including introduction and committee steps, are on Congress.gov. Data through Oct 7, 2026.