Sanborn Fire Insurance maps are meticulously detailed, large-scale lithographed, color-keyed street maps. Sanborn Maps helped insurance agents in the late 19th and early 20th centuries determine the d…

Sanborn Fire Insurance maps are meticulously detailed, large-scale lithographed, color-keyed street maps. Sanborn Maps helped insurance agents in the late 19th and early 20th centuries determine the d…

Sanborn Fire Insurance maps are meticulously detailed, large-scale lithographed, color-keyed street maps. Sanborn Maps helped insurance agents in the late 19th and early 20th centuries determine the d…

Sanborn Fire Insurance maps are meticulously detailed, large-scale lithographed, color-keyed street maps. Sanborn Maps helped insurance agents in the late 19th and early 20th centuries determine the d…

Sanborn Fire Insurance maps are meticulously detailed, large-scale lithographed, color-keyed street maps. Sanborn Maps helped insurance agents in the late 19th and early 20th centuries determine the d…

This photocopy map shows lot and block numbers, some landownership, street names, and the Fox River. Caption reads, "Mr. P.S. Levy says this map was drawn in 1836."

This photocopied map shows lot and block numbers, selected buildings, street names and state lock located on the Fox River. Includes a description of De Pere along the bottom margin. The date of the o…