"Blue Ridge Parkway extension". 16 U.S. Code §460a–6. Archived from the original on February 25, 2022. Retrieved February 27, 2021 – via Legal Information Institute.
U.S. Green Building Council (2008). "LEED Rating Systems". U.S. Green Building Council. Archived from the original on February 28, 2009. Retrieved March 19, 2009.
U.S. Green Building Council (2008). "LEED Rating Systems". U.S. Green Building Council. Archived from the original on February 28, 2009. Retrieved March 19, 2009.
"Blue Ridge Parkway extension". 16 U.S. Code §460a–6. Archived from the original on February 25, 2022. Retrieved February 27, 2021 – via Legal Information Institute.
National Park Service (2004). Blue Ridge Parkway: North Carolina, Virginia (Map). [c. 1:500,000]. Washington, DC: Government Printing Office. OCLC86108275. GPO:2003-496-196/40572 Reprint 2004.