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You searched for: Type Collection Remove constraint Type: Collection Time Period 1850-1899 Remove constraint Time Period: 1850-1899
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Adams County, Illinois GIS

1872-2019. Adams County GIS. Geospatial datasets are publicly available via a FTP site access link, which is found on the Adams County, IL website GIS Department page linked he...

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GIS Data Store for Tuscarawas County, Ohio

1875-present. Tuscarawas County GIS Office. FTP site containing downloadable GIS & CAD datasets for parcels, addresses, transportation, boundaries, hydrology, and more. Also contains aerial i...

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Holmes County Public GIS Downloads

1861-2019. Holmes County GIS Consortium. The GIS Department page on the Holmes County, Ohio website provides an access link to their FTP repository of geospatial datasets. Land survey, par...

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Indiana Spatial Data Portal

1887-2019. various. The Indiana Spatial Data Portal (ISDP) provides access to more than 30 terabytes of Indiana geospatial data. Most datasets are available to the pub...

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Minnesota Geological Survey

1872-present. The Minnesota Geological Survey collection consists of more than 600 images of maps published separately or as part of reports from 1872 until the ...

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Sanborn Maps

1884-1938. This collection contains a nearly complete set of the Sanborn Fire Insurance Maps of Pennsylvania (1884 – 1938).

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Social Scientists Map Chicago Collection

1873-1956. All of these maps (even those that say "Dept. of Sociology") were produced under the aegis of the Social Science Research Committee or its immediat...