… grounds at the Yerkes Observatory in Williams Bay, Wis. for nearly 30 years Wednesday, June 10, 2020. JOHN HART, STATE JOURNAL. JOHN HART STATE JOURNAL …
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Photos: Yerkes Observatory looks to the future
The 60,000-square-foot facility, home to three domes each with its own telescope, was constructed between 1894 and 1897. JOHN HART, STATE …
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