USGS Historical Topographic Map Explorer

August 4, 2014 rockman Available Resources Comments Off on USGS Historical Topographic Map Explorer
Example historical USGS topo map of Highlands, TX from 1912

Example historical USGS topo map of Highlands, TX from 1912

Esri announced earlier this summer that they were making over 175,000 historical maps from the USGS available online. The maps are available to anyone to view online using their web map viewer. Or ArcGIS online subscribers can have access to high-resolution geo-referenced raster images for use in their ArcGIS projects and web mapping projects. Very cool! [Source: View the Historical Topo Map Explorer at ArcGIS.com via Or read more about the tool and find additional information at the Esri Blogs. Image: Esri]

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ESRI Logo Redlands, California—The Ohio Department of Transportation (ODOT) will implement an enterprise version of EarthSoft’s Environmental Quality Information System (EQuIS) for ArcGIS to better manage, analyze, and share geotechnical data throughout the organization. An agreement between ODOT and EarthSoft, an ESRI business partner, will see EarthSoft provide the transportation industry standard Data Interchange for Geotechnical and Geoenvironmental Specialists (DIGGS) as electronic data deliverables (EDD). The new data will then reside and be accessible through ODOT’s enterprise-wide geographic information system (GIS)-supported EQuIS database.

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