43 USC 1721 - Conveyances of public lands to States, local governments, etc.

(a) Unsurveyed islands; authorization and limitations on authority 
The Secretary is authorized to convey to States or their political subdivisions under the Recreation and Public Purposes Act (44 Stat. 741 as amended; 43 U.S.C. 869 et seq.), as amended, but without regard to the acreage limitations contained therein, unsurveyed islands determined by the Secretary to be public lands of the United States. The conveyance of any such island may be made without survey: Provided, however, That such island may be surveyed at the request of the applicant State or its political subdivision if such State or subdivision donates money or services to the Secretary for such survey, the Secretary accepts such money or services, and such services are conducted pursuant to criteria established by the Director of the Bureau of Land Management. Any such island so surveyed shall not be conveyed without approval of such survey by the Secretary prior to the conveyance.
(b) Omitted lands; authorization and limitations on authority 

(1) The Secretary is authorized to convey to States and their political subdivisions under the Recreation and Public Purposes Act [43 U.S.C. 869 to 869–4], but without regard to the acreage limitations contained therein, lands other than islands determined by him after survey to be public lands of the United States erroneously or fraudulently omitted from the original surveys (hereinafter referred to as omitted lands). Any such conveyance shall not be made without a survey: Provided, That the prospective recipient may donate money or services to the Secretary for the surveying necessary prior to conveyance if the Secretary accepts such money or services, such services are conducted pursuant to criteria established by the Director of the Bureau of Land Management, and such survey is approved by the Secretary prior to the conveyance.
(2) The Secretary is authorized to convey to the occupant of any omitted lands which, after survey, are found to have been occupied and developed for a five-year period prior to January 1, 1975, if the Secretary determines that such conveyance is in the public interest and will serve objectives which outweigh all public objectives and values which would be served by retaining such lands in Federal ownership. Conveyance under this subparagraph shall be made at not less than the fair market value of the land, as determined by the Secretary, and upon payment in addition of administrative costs, including the cost of making the survey, the cost of appraisal, and the cost of making the conveyance.
(c) Conformity with land use plans and programs and coordination with State and local governments of conveyances 

(1) No conveyance shall be made pursuant to this section until the relevant State government, local government, and areawide planning agency designated pursuant to section 204 of the Demonstration Cities and Metropolitan Development Act of 1966 (80 Stat. 1255, 1262) [42 U.S.C. 3334] and/or section 6506 of title 31 have notified the Secretary as to the consistency of such conveyance with applicable State and local government land use plans and programs.
(2) The provisions of section 1720 of this title shall be applicable to all conveyances under this section.
(d) Applicability of other statutory requirements for authorized use of conveyed lands 
The final sentence of section 1(c) of the Recreation and Public Purposes Act [43 U.S.C. 869 (c)] shall not be applicable to conveyances under this section.
(e) Limitations on uses of conveyed lands 
No conveyance pursuant to this section shall be used as the basis for determining the baseline between Federal and State ownership, the boundary of any State for purposes of determining the extent of a States submerged lands or the line of demarcation of Federal jurisdiction, or any similar or related purpose.
(f) Applicability to lands within National Forest System, National Park System, National Wildlife Refuge System, and National Wild and Scenic Rivers System 
The provisions of this section shall not apply to any lands within the National Forest System, defined in the Act of August 17, 1974 (88 Stat. 476; 16 U.S.C. 1601), the National Park System, the National Wildlife Refuge System, and the National Wild and Scenic Rivers System.
(g) Applicability to other statutory provisions authorizing sale of specific omitted lands 
Nothing in this section shall supersede the provisions of the Act of December 22, 1928 (45 Stat. 1069; 43 U.S.C. 1068), as amended, and the Act of May 31, 1962 (76 Stat. 89), or any other Act authorizing the sale of specific omitted lands.