Screenshots posted online appear to show a museum located underneath a river, while the map service seems to deny the existence of the English town Stratford-upon-Avon, where Shakespeare was born.

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By studying the buildings and river as well as the East Bergholt Enclosure Map of 1817, Mr Atkinson found boundaries in place in 1817 had changed drastically by 1830.

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An 1836 map of the city shows several large islands in the middle of the river, Michigan's longest running 232 miles from the center of the state west to Lake Michigan.

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