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ophis: Prof. Meg Thompson at Squantum Head
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ophis: diamictite
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ophis: tombolo to Thompson's Island
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ophis: salt marsh, SE shore Squaw Rock
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ophis: diamictite exposed at highwater mark
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ophis: interbedded mudstone and sandstone at high water mark
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ophis: Prof. Richard Bailey
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ophis: layered mudstone overhang
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ophis: basswood and tilted strata
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ophis: diamictite outcrop
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ophis: diamictite outcrop
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ophis: diamictite outcrop
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ophis: diamictite at low tide
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ophis: seawall at Orchard Beach
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ophis: salt marsh at low tide
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ophis: sandspit at low tide
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ophis: salt marsh at top of beach
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ophis: diamictite outcrop
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ophis: diamictite outcrop
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ophis: diamictite outcrop
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ophis: diamictite outcrop
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ophis: 63 Bay St
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ophis: leaving diamictite outcrop
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ophis: salt marsh and Moon Island
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ophis: light gray debrite
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ophis: light gray debrite
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ophis: purple gray mudstone
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ophis: purple gray mudstone
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ophis: mapping by Prof. Richard Bailey
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ophis: purple gray mudstone and light gray debrite