Map Guide to the U.S. Federal Censuses, Maine 1790-1920 Map Packet; by William Thorndale & William Dollarhide; 8 sheets; 8.5x11; Item # A0025.
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NOTE: All federal censuses 1790-1870 were conducted by the U.S. Marshal of each U.S. federal court district. Maine was still part of Massachusetts at the time of the 1790, 1800, and 1810 federal censuses - but since the exact area of Maine was a separate federal court district, the federal censuses were conducted under the name Maine.
The county has always been used as the basic Federal census unit. Genealogical research in the census, therefore, begins with identifying the correct county jurisdictions. This Maine Map Packet shows all U.S. county boundaries as they were at the time of the U.S. Decennial Census from 1790 to 1920.
On each sheet the old county lines are superimposed over the modern ones to highlight the boundary changes at ten-year intervals.
With each map there is data on boundary changes, notes about the census, and locality finding keys. There also are inset maps that clarify territorial lines, while the detail in this work is exhaustive and of impeccable standards.
