A 142-year-old astronomy building was serendipitously unearthed in Michigan (photos) - Space.com
- A 142-year-old astronomy building was serendipitously unearthed in Michigan (photos) Space.com
- Michigan State Finds an Observatory From 142 Years Ago Buried on Campus The New York Times
- Students Unearth Forgotten 142-Year-Old Observatory Buried on Michigan State's Campus Smithsonian Magazine
- Michigan State digs up more than century-old observatory WLNS
- Students dig up 142-year-old observatory on Michigan campus Interesting Engineering
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