Tag: shellmound map

  • Bay Area Shellmound Map

    Alameda Native History Project’s map of the Shellmounds of the San Francisco Bay Area is available now. This map is based on N.C. Nelson’s “Map of the San Francisco Bay Region Showing Distribution of Shellheaps”, which was published in 1909. This map, represents the first-hand observations of shellmounds during N.C. Nelson’s survey of the San […]

  • N.C. Nelson Shellmounds Coastlines: Then vs. Now

    N.C. Nelson Shellmounds Coastlines: Then vs. Now

    This map was really hard to conform using present-day landmarks. Not only has sea-level risen considerably in the past 112 Years; but much of the coast line noted in the Coastal Survey has eroded, or used as fill, to erase much of what was open water along the San Francisco Bay Area Shorelines. This is […]