To further the purposes of the Sand Creek Massacre National Historic Site Establishment Act of 2000.

Summary: Sand Creek Massacre National Historic Site Trust Act of 2005 - Authorizes the United States to take into trust specified real property formerly known as Dawson Ranch, including rights to all minerals and excluding improvements, in Kiowa County, Colorado, owned by the Cheyenne and Arapaho Indian Tribes of Oklahoma.

Directs the Tribes to convey title to the Dawson Ranch to the United States.

Declares that all right, title, and interest of the United States in and to the Ranch except any facilities constructed pursuant to this Act, are to be held in trust by the United States for the Tribes.

Authorizes the Secretary of the Interior to acquire by donation the improvements in fee. Permits the Secretary to construct a facility on the Ranch only after consulting with, soliciting advice from, and obtaining the agreement of, the Tribe, the Northern Cheyenne Tribe, and the Northern Arapaho Tribe. States that: (1) facilities constructed with federal funds or funds donated to the United States shall be owned in fee by the United States; and (2) for purposes of the construction, maintenance, or demolition of improvements or facilities, federal funds shall be expended only on improvements or facilities that are owned in fee by the United States.

Requires the Ranch to be administered in perpetuity by the Secretary as part of the Site only for historical, traditional, cultural, and other uses in accordance with the Sand Creek Massacre National Historic Site Establishment Act of 2000. Requires that, for purposes of administration, the Secretary shall have access to the Ranch, improvements, and facilities as necessary for the management of the Site in accordance with the Act. Instructs the Secretary to take such action as is necessary to ensure that the Ranch is used only in accordance with all such requirements for the administration of the Ranch.

Amends the Act to allow the Secretary to acquire land and interests in land within the boundaries of the Site which are owned by the state of Colorado (including a political subdivision of that state) only by donation or exchange (currently, only by donation).

SECTION 1. SHORT TITLE.

    This Act may be cited as the ``Sand Creek Massacre National 
Historic Site Trust Act of 2005''.

SEC. 2. DEFINITIONS.

    In this Act:
        (1) Facility.--The term ``facility'' means any structure, 
    utility, road, or sign constructed on the trust property on or 
    after the date of enactment of this Act.
        (2) Improvement.--The term ``improvement'' means--
            (A) a 1,625 square foot 1-story ranch house, built in 1952, 
        located in the SW quarter of sec. 30, T. 17 S., R. 45 W., sixth 
        principal meridian;
            (B) a 3,600 square foot metal-constructed shop building, 
        built in 1975, located in the SW quarter of sec. 30, T. 17 S., 
        R. 45 W., sixth principal meridian;
            (C) a livestock corral and shelter; and
            (D) a water system and wastewater system with all 
        associated utility connections.
        (3) Secretary.--The term ``Secretary'' means the Secretary of 
    the Interior.
        (4) Tribe.--The term ``Tribe'' means the Cheyenne and Arapaho 
    Tribes of Oklahoma, a federally recognized Indian tribe.
        (5) Trust property.--The term ``trust property'' means the real 
    property, including rights to all minerals, and excluding the 
    improvements, formerly known as the ``Dawson Ranch'', consisting of 
    approximately 1,465 total acres presently under the jurisdiction of 
    the Tribe, situated within Kiowa County, Colorado, and more 
    particularly described as follows:
            (A) The portion of sec. 24, T. 17 S., R. 46 W., sixth 
        principal meridian, that is the Eastern half of the NW quarter, 
        the SW quarter of the NE quarter, the NW quarter of the SE 
        quarter, sixth principal meridian.
            (B) All of sec. 25, T. 17 S., R. 46 W., sixth principal 
        meridian.
            (C) All of sec. 30, T. 17 S., R. 45 W., sixth principal 
        meridian.

SEC. 3. CONVEYANCE OF LAND TO BE HELD IN TRUST FOR THE CHEYENNE AND 
              ARAPAHO TRIBES OF OKLAHOMA.

    (a) Land Held in Trust for the Cheyenne and Arapaho Tribes of 
Oklahoma.--On conveyance of title to the trust property by the Tribe to 
the United States, without any further action by the Secretary, the 
trust property shall be held in trust for the benefit of the Tribe.
    (b) Trust.--All right, title, and interest of the United States in 
and to the trust property, except any facilities constructed under 
section 4(b), are declared to be held by the United States in trust for 
the Tribe.

SEC. 4. IMPROVEMENTS AND FACILITIES.

    (a) Improvements.--The Secretary may acquire by donation the 
improvements in fee.
    (b) Facilities.--
        (1) In general.--The Secretary may construct a facility on the 
    trust property only after consulting with, soliciting advice from, 
    and obtaining the agreement of, the Tribe, the Northern Cheyenne 
    Tribe, and the Northern Arapaho Tribe.
        (2) Ownership.--Facilities constructed with Federal funds or 
    funds donated to the United States shall be owned in fee by the 
    United States.
    (c) Federal Funds.--For the purposes of the construction, 
maintenance, or demolition of improvements or facilities, Federal funds 
shall be expended only on improvements or facilities that are owned in 
fee by the United States.

SEC. 5. SURVEY OF BOUNDARY LINE; PUBLICATION OF DESCRIPTION.

    (a) Survey of Boundary Line.--To accurately establish the boundary 
of the trust property, not later than 180 days after the date of 
enactment of this Act, the Secretary shall cause a survey to be 
conducted by the Office of Cadastral Survey of the Bureau of Land 
Management of the boundary lines described in section 2(5).
    (b) Publication of Land Description.--
        (1) In general.--On completion of the survey under subsection 
    (a), and acceptance of the survey by the representatives of the 
    Tribe, the Secretary shall cause the full metes and bounds 
    description of the lines, with a full and accurate description of 
    the trust property, to be published in the Federal Register.
        (2) Effect.--The description shall, on publication, constitute 
    the official description of the trust property.

SEC. 6. ADMINISTRATION OF TRUST PROPERTY.

    (a) In General.--The trust property shall be administered in 
perpetuity by the Secretary as part of the Sand Creek Massacre National 
Historic Site, only for historical, traditional, cultural, and other 
uses in accordance with the Sand Creek Massacre National Historic Site 
Establishment Act of 2000 (16 U.S.C. 461 note; Public Law 106-465).
    (b) Access for Administration.--For purposes of administration, the 
Secretary shall have access to the trust property, improvements, and 
facilities as necessary for management of the Sand Creek Massacre 
National Historic Site in accordance with the Sand Creek Massacre 
National Historic Site Establishment Act of 2000 (16 U.S.C. 461 note; 
Public Law 106-465).
    (c) Duty of the Secretary.--The Secretary shall take such action as 
is necessary to ensure that the trust property is used only in 
accordance with this section.
    (d) Savings Provision.--Nothing in this Act supersedes the laws and 
policies governing units of the National Park System.

SEC. 7. ACQUISITION OF PROPERTY.

    Section 6(a)(2) of the Sand Creek Massacre National Historic Site 
Establishment Act of 2000 (16 U.S.C. 461 note; Public Law 106-465) is 
amended by inserting ``or exchange'' after ``only by donation''.

                               Speaker of the House of Representatives.

                            Vice President of the United States and    
                                               President of the Senate.