"Our Changing Land" Opens, NMNH
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PrintThe National Museum of Natural History's Bicentennial exhibition, "Our Changing Land" opens. It is the permanent ecology exhibit hall.
Chronology of Smithsonian History
Institutional History Division, Smithsonian Institution Archives, 600 Maryland Avenue, S.W., Washington, D.C. 20024-2520, SIHistory@si.edu
November 20, 1975