June 1972
Coulter, Ronald M.
1977
Coulter, Ronald M.
1976
Coulter, Ronald M.
1982
Coulter, Ronald M.
1990
The Morton Arboretum
1994
Coulter, Ronald M.
1982
Coulter, Ronald M.
circa 1970
Chicago Aerial Survey Co.
July 7 1976
Coulter, Ronald M.
November 1968
Coulter, Ronald M.
November 1968
Coulter, Ronald M.