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    Published: November 16, 2017

    Map Showing 1939 Imagery Compared with Current Day and Featuring Remnant Oak Ecosystems

    Mark Johnston, Lead GIS Analyst, Keller Science Action Center

    Click on the map below to launch this interactive maps. This map application shows imagery captured in 1938-1939 overlaid with Oak Ecosystems from in 1939 (red) and remnant oaks still present in 2010. Speckled purple areas show current protected lands. The "spyglass" can be moved to show underlying modern-day imagery. Users need to zoom into the map to activate overlaid layers. This tool can be used by land managers to help understand the land history of the site.

    Mark Johnston
    Lead GIS Analyst

    Contact

    mjohnston@fieldmuseum.org

    Mark is a Geographic Information Manager and Conservation Ecologist for the Keller Science Action Center where he oversees the Center’s Geospatial Team. Mark supports research and analysis on many geospatial projects at the Center and is constantly working to advance the museum's use of geospatial technology.