GLO Wisconsin & Minnesota 1863


“Sketch of the Public Surveys in the State of Wisconsin and State of Minnesota.”  Washington: GLO, 1864.  Folded as issued.  With light darkening at folds, some of which are repaired.

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A very detailed map of Wisconsin and the eastern part of Minnesota by the U.S. General Land Office. The GLO was established in 1812 with responsibility to survey and control the dispersal of public lands.  All public land was required to be surveyed prior to settlement, and the first director of the GLO, Thomas Hutchins, set up a systematic process of rectangular survey for the public lands and launched the great national project to survey and map the public domain in the entire country.  Each surveyor was to record not only geography, but also features of the landscape with economic import, such as roads, railroads, settlements, forest reserves and mineral deposits.  The GLO mapping of the country continued into the twentieth century.  This is a progress map, showing the surveys done in through 1863, and it presents a fascinating look at what was known of the region at the time.