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Georeferencing: Difference between revisions
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→Selected Online Resources & Tools
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::Provides geographic and administrative divisions, in addition to historical information related to many countries. | ::Provides geographic and administrative divisions, in addition to historical information related to many countries. | ||
*[http://historicalmaps.arcgis.com/usgs/index.html ARCGIS Historical Maps] | *[http://historicalmaps.arcgis.com/usgs/index.html USGS/ARCGIS Historical Maps] | ||
::The USGS has put together an interactive site utilizing its historical topographic map collection. Users can simply type in a location and the site will guide you to a place. Human and geologic activity change sites, borders, boundaries, landscapes and the power of this site is that it allows the user to explore a location by comparing maps created at different dates. The user can slide the transparency on maps to compare layers, or drag/drop to re-order maps. | ::The USGS has put together an interactive site utilizing its historical topographic map collection. Users can simply type in a location and the site will guide you to a place. Human and geologic activity change sites, borders, boundaries, landscapes and the power of this site is that it allows the user to explore a location by comparing maps created at different dates. The user can slide the transparency on maps to compare layers, or drag/drop to re-order maps. | ||