Tag: spatial history


  • The Alameda Shellmound Maps

    Created using derivatives of open-source data, including (but not limited to) USGS, NOAA, USCG, NASA, Google Earth. Analyzed, processed, and produced by the Alameda Native History Project, using open-source software available to anyone with a smart phone, and the most basic computer. Why did the Alameda Native History Project create these maps? Necessity The first […]

  • 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 […]