Sanborn Fire Insurance Maps Beginning in 1866, the Sanborn Map Company began creating detailed maps of many U.S. towns. For over a hundred years they sold these maps to fire insurance companies to help them assess the risk of fire. Sanborn maps show mainly streets and structures and where water mains were located, the kind… Continue reading Fun With Maps #3
Month: October 2021
Fun With Maps #2
Original Survey Maps Early in the State of Michigan’s history, the government sent out surveyors to chart and map each and every corner of their new state. The survey maps of the Upper Peninsula were prepared throughout the 1840s to the 1850s. Surveyors tramped through woods and swamp with their chains and compasses and transits.… Continue reading Fun With Maps #2