National Park System Laws Technical Amendments Act of 2004 - Makes technical and clerical amendments to specified parks and public land laws.
(Sec. 2) Amends the Lackawanna Valley National Heritage Area Act of 2000 to authorize the Lackawanna Heritage Valley Authority to make grants and enter into cooperative agreements.
(Sec. 7) Amends the Vicksburg Campaign Trail Battlefields Preservation Act of 2000 to include Fort Heiman, Kentucky, and resources in and around Columbus, Kentucky, within the battlefield areas for preservation.
(Sec. 9) Allows employees of foundations established by Acts of Congress to solicit private sector funds on behalf of Federal land management agencies to qualify for General Services Administration (GSA) contract airfares.
(Sec. 10) Designates as official titles the popular names for the National Park Service Organic Act and the National Park System General Authorities Act.