Section 20. Cession without reservation

Title  and jurisdiction has been
  ceded to the United States by this state as follows:
    1. Little island in Hudson river. A tract  of  land  known  as  Little
  island,  in  the  Hudson  river, opposite New Baltimore, acquired by the
  United States for a light-house site and keepers' dwellings.
    2. Lands in West Oswego. For the purpose of  excavating  and  removing
  the  same,  to improve the navigation of the Oswego river, all the right
  and title of the state of New York in and  to  the  following  described
  property,  namely:  Lots  one  hundred and twenty-three, one hundred and
  twenty-four and one  hundred  and  twenty-five  in  fortification  block
  number  two  in West Oswego, New York, the same being part of the island
  situate in the Oswego river near its mouth.