; or (B) where existing utility or pipelines have been placed. (3) Network The term Network means the Transcontinental Railroad Network established under section 4. (4) Park The term Park means the Golden Spike National Historical Park designated under section 3. (5) Secretary The term Secretary means the Secretary of the Interior, acting through the Director of the National Park Service. (6) Superintendent The term Superintendent means the Superintendent of the Park. (7) Transcontinental Railroad The term Transcontinental Railroad means the approximately 1,912-mile continuous railroad constructed between 1863 and 1869 from Council Bluffs, Iowa, to San Francisco, California. 3. Redesignation (a) Redesignation The Golden Spike National Historic Site established under the Act of July 10, 1965 (79 Stat. 426), shall be known and designated as the Golden Spike National Historical Park . (b) References Any reference in a law, map, regulation, document, paper, or other record of the United States to the Golden Spike National Historic Site shall be considered a reference to the Golden Spike National Historical Park . (c) Network The Park shall be part of the Network. 4. Transcontinental Railroad Network (a) In general The Secretary shall establish, within the National Park Service, a program to be known as the Transcontinental Railroad Network. The Network shall not include properties used in active freight railroad operations (or other ancillary purposes) or reasonably anticipated to be used for freight railroad operations in the future. (b) Duties of the Secretary In carrying out the Network, the Secretary shall— (1) produce and disseminate appropriate education materials relating to the history, construction, and legacy of the Transcontinental Railroad, such as handbooks, maps, interpretive guides, or electronic information; (2) enter into appropriate cooperative agreements and memoranda of understanding to provide technical assistance under subsection (d)