Regional History Center & NIU Archives:
Eco Park Dedication, October 23, 1971
Regional History Center & NIU Archives:
Eco Park, May 1971
Regional History Center & NIU Archives:
Won't you help plant my children?
Regional History Center & NIU Archives:
Eco Park model, circa 1972
Regional History Center & NIU Archives:
NIU news release, March 17, 1971
Regional History Center & NIU Archives:
The Eco Park belongs to the people, April 28, 1971
Regional History Center & NIU Archives:
Eco Park, January 22, 1971
Regional History Center & NIU Archives:
West Lagoon "Springfest" tree-planting & clean-up, 1975