National Park Service and Northwestern State University Collections Conservation Center Act

National Park Service and Northwestern State University Collections Conservation Center Act - Amends the Cane River Creole National Historical Park and National Heritage Area Act (the Act) to authorize the Secretary of the Interior to enter into an agreement with Northwestern State University in Natchitoches, Louisiana, to construct a facility on land owned by the University to be used for: (1) housing the museum collection of the Historical Park; (2) providing additional space for use by the National Center for Preservation Technology and Training; and (3) providing space to the University for educational purposes related to the Williamson Museum collection if the University pays an appropriate rental fee to the National Park Service (NPS), as determined in such agreement.

Requires the proceeds from the rental fees collected pursuant to this Act to be made available for the Historical Park.

Authorizes the Secretary to enter into a lease for a term of not more than 40-years with the University if the land made available is leased to the Secretary at a nominal cost.