#ManholeCoverMonday
November 2, 2026 at 10:13 AM
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November 2, 2026 at 10:40 AM
November 2, 2026 at 11:15 AM
November 2, 2026 at 2:33 PM
"For example, a beehive pattern of hexagons ... has been adopted by telephone companies since the 1920s" Infrastructure: a field guide by Brian Hayes

#manholecovermondays
November 2, 2026 at 3:41 PM
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#manholecovermonday travel in NYC version
November 2, 2026 at 3:01 PM
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#ManholeCoverMonday Oak Park, Illinois
November 2, 2026 at 12:58 PM
October 26, 2026 at 8:59 AM
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