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Photographic image
Illinois Prairie Path, second trip: May T. Watts with group at High Lake stationMay 9 1964
Sobolik, A. A.
Photographic image
Illinois Prairie Path, second trip: May T. Watts giving a presentation at High Lake stationMay 9 1964
Sobolik, A. A.
Photographic image
Illinois Prairie Path, second trip: hikers on a gravel pathMay 9 1964
Sobolik, A. A.