From the archives for Earth Day, April 22, 2017.
Protesting pollution on Earth Day
Leinwand, Freda, photographer
1970 Apr 22
Freda Leinwand Photographs PC 26
Bottom: Aerial view of a group of people lined up in a field to form the words “Dear Earth” 1970
Emily Hartshorne Mudd Papers 73-143–90-M103