Section 21. Conveyance of strips of abandoned canal lands and Onondaga salt springs reservation land

a. The commissioner of  general  services  is
  authorized,  in  his discretion, to sell and convey at public or private
  sale, upon such terms and conditions as he  may  deem  proper,  all  the
  right,  title  and  interest  of  the  state in and to certain strips of
  abandoned canal lands or Onondaga salt springs reservation  land,  which
  strips  adjoin  the  old  beds  of  the  Erie canal and Oswego canal and
  side-cut canals, which beds were heretofore conveyed by  the  people  of
  the  state  of New York and in which said strips of land there remains a
  right, title or interest in the people of the state  of  New  York.  Any
  such  private  sale,  if made, shall be to the state's grantee or to the
  successor to the title or interest of the beds so previously granted  by
  the  state  and shall be for a consideration not less than the appraised
  value of the said right, title or interest.
    b.  The  commissioner  of  general  services  is  authorized,  in  his
  discretion,  to  sell  and  convey  at private sale, upon such terms and
  conditions as he may deem proper, all the right, title and  interest  of
  the  state  in  and  to  any parcel of land of the Onondaga salt springs
  reservation to the person or persons having a deed  of  record  of  such
  land,  or  their successors in interest, since the first day of January,
  eighteen hundred ninety-nine, or to any person or persons who have  been
  in continuous, open, notorious and adverse possession of such land since
  the first day of January, eighteen hundred ninety-nine.