http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
Improving the visitor experience at national parks
hearing before the Subcommittee on the Interior, Energy, and Environment of the Committee on Oversight and Government Reform, House of Representatives, One Hundred Fifteenth Congress, first session, April 5, 2017
Committee on Oversight and Government Reform.
Subcommittee on the Interior, Energy, and Environment,
Paper version available for sale by the Superintendent of Documents, U.S. Government Publishing Office.
United States. Congress. House. Committee on Oversight and Government Reform. Subcommittee on the Interior, Energy, and Environment.