Free GeoStock

Natural Stone Arch

Public Domain photos from USGS.

Here’s a better organized site but the photos are lower quality and only up to 1991.

Some highlights: Arches National Park, Hawaii Volcanoes National Park

via [link] via [link]


One Response to “Free GeoStock”

  • thoughts Says:

    Rocky Mountain National Park in 1912
    The U.S. Geological Survey has put thousands of photos online from geological events like earthquakes and the Mount St. Helens eruption to National Parks. May favorite is Rocky Mountain National Park, the park my family went to every summer. The…

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