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South Portland Public Library

July 2019

The Rocks of Fort Williams Park

July 16 @ 6:30 pm - 8:30 pm
South Portland Public Library, 482 Broadway
South Portland, ME 04106 United States
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SPPL welcomes Professor Mark Swanson for a photographic tour through the rocks and geologic structures exposed at Fort Williams Park and the Portland Head Light in Cape Elizabeth, Maine on Tuesday, July 16th, at 6:30 p.m. at the Main Library. The rocks at this popular coastal park display a long 400 million year history of folding, stretching, shearing, fracturing, veining, dike intrusion and erosion long before being submerged beneath the ocean, buried by glacial sediment and then uplifted to where…

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