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Old 02-15-2021, 08:11 PM   #7
DSettahr
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Join Date: May 2007
Posts: 5,174
ESRI has old topo maps for the entire US accessible via an interactive map. They also have a much greater selection of years than the UNH site had. You can also pull up multiple years at once and adjust the transparency so that you can overlay and compare them.

https://livingatlas.arcgis.com/topoexplorer/index.html
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