((a)) ** Description of lands** The lands, declared by to be held in trust by the United States for the benefit of the Indian tribes named in this section, are generally described as follows:
section 5501(a) of this title
((b)) ** Publication in Federal Register of boundaries, etc.; estimation of acreages** The Secretary of the Interior shall cause to be published in the Federal Register the boundaries and descriptions of the lands conveyed by this chapter. The acreages set out in the preceding subsection are estimates and shall not be construed as expanding or limiting the grant of the United States as defined in .section 5501 of this title