Igneous rocks are rebels. Sedimentary rocks follow straight-forward rules—they are deposited in horizontal layers, with the oldest sediments on the bottom. Igneous rocks can do what they want. Molten ...
The Smithsonian Castle was built in the 1850s, using the red sandstone from the Seneca quarry. Author Garrett Peck tells the quarry’s story in his new book, The Smithsonian Castle and the Seneca ...
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