De Soto Expedition Trail Commission Act of 1990
Public Law 101-607 · S. 555 · 101st Congress · began in the Senate
Signed by George H. W. Bush (R) on Nov 16, 1990 · Public Lands and Natural Resources
Sponsor: Sen. Bob Graham (D-FL)
Cosponsors (6): Sen. Albert Gore, Sen. Samuel Nunn,
Passage votes
- HouseVoice vote
- SenateVoice vote
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.
De Soto Expedition Trail Commission Act of 1990 - Establishes in the Department of the Interior the De Soto Expedition Trail Commission to encourage and direct research regarding the De Soto expedition, the native societies it encountered, and the effects of that contact through the States of Alabama, Arkansas, Florida, Georgia, Louisiana, Mississippi, North Carolina, South Carolina, Tennessee, and Texas.
Requires the Commission to report annually to the Secretary and to specified congressional committees on its activities. Terminates it within four years after enactment of this Act.
Permits the Commission to establish technical advisory groups.
Authorizes the Secretary to enter into a cooperative agreement with Florida to provide technical assistance for the preservation and interpretation of the De Soto expedition site in Tallahassee.
Authorizes appropriations.
Committees
The committees the bill was sent to, and what each did with it.

Energy and Natural Resources Committee · Senate · markup by, referred to, reported bySubcommittee: National Parks Subcommittee
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.
- Nov 16, 1990Became lawBecame law · Became Public Law No: 101-607.
- Became lawBecame law · Signed by President.
- Nov 9, 1990PresidentPresident · Presented to President.
- Oct 27, 1990Resolving differencesResolving differences · Senate agreed to the House amendment by Voice Vote.
- Oct 22, 1990FloorFloor · Motion to reconsider laid on the table Agreed to without objection.
- FloorFloor · On motion to suspend the rules and pass the bill, as amended Agreed to by voice vote.
- FloorFloor · On ordering a second Agreed to without objection.
- FloorFloor · Mr. Lagomarsino demanded a second on the motion to suspend the rules.
- FloorFloor · Mr. Vento moved to suspend the rules and pass the bill, as amended.
- Mar 13, 1990CommitteeCommittee · Referred to Federal Lands Subcommittee of the House Natural Resources Committee
- Jan 29, 1990CommitteeCommittee · Referred to House Natural Resources Committee
- Jan 24, 1990FloorFloor · Passed Senate with an amendment by Voice Vote.
- Dec 20, 1989CommitteeCommittee · Reported by Senate Energy and Natural Resources Committee
- Nov 15, 1989CommitteeCommittee · Markup by Senate Energy and Natural Resources Committee
- Jun 8, 1989CommitteeCommittee · Hearings by National Parks Subcommittee of the Senate Energy and Natural Resources Committee
- Mar 10, 1989CommitteeCommittee · Referred to National Parks Subcommittee of the Senate Energy and Natural Resources Committee
- Mar 9, 1989CommitteeCommittee · 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.