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September 11, 1998 – September 27, 1999
Museum: American History Museum
Location: 1st Floor, West Wing, Lemelson Center cases
2 small cases compare society's ideal of nature and the reality measured by scientific instruments. Objects include the photograph "Yosemite Valley" by Ansel Adams, an Earth Day 20th Anniversary poster signed by Peter Max, scientific instruments, a "Can I Breathe the Air?" kit manual, and various meteorological instruments.