1977 ARCH-EP (Arches National Park)
The 1977 ARCH-EP (Arches National Park) vertical aerial project was acquired by the U.S. National Park Service (NPS) at a scale of 1:12,000 (1 inch equals 1000 feet).
Project Year 1935-1939 1940-1949 1950-1959 1960-1969 1970-1979 1980-1989 1990-1999 2000-2009 2010-2024