The street that has existed for 150 years that never existed

Originally published in my OpenHistoricalMap diary I found something interesting while working on mapping historical streets in my hometown of Cincinnati. Take a look at Alexander St on J.H. Colton & Co.'s 1855 map , the oldest map I'm aware of that includes the street: Here's how S. Augustus Mitchell depicted Alexander St on his 1860 map : And just for good measure, here it is in Mendenhall 1867…