Other observatories that UM has operated include the Detroit Observatory (Ann Arbor, Michigan, 1854), the Angell Hall Observatory (Ann Arbor, Michigan, 1927), the McMath-Hulbert Observatory (Lake Angelus, Michigan, 1930), the Portage Lake Observatory (Dexter, Michigan, 1948), and the Peach Mountain Observatory (Dexter, Michigan, 1955).
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