Oetjen, Richard J.

Oetjen, Richard J.
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Oetjen, Richard J.
Informal 7:11 (2008-242)
VI: Yerkes Observatory
Richard J. Oetjen of the Yerkes Observatory staff in front of the powerhouse.
Oetjen, Richard J. | Personnel | Powerhouses | Yerkes Observatory
Undated
Photographic prints; 16.6 x 20.5 cm
Williams Bay, Wisconsin
Archival Photographic Files
University of Chicago Library, Special Collections Research Center
apf6-04189

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