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Title: Sandstone used for hearth stone in the Glyndon Furnace on th [Go to resource]
Description: Sandstone used for hearth stone in the Glyndon Furnace on the river Lehigh, Easton, Carbon County, Pennsylvania, U.S.A. License: http://creativecommons.org/licenses/by-nc-sa/2.5/ Source: Science Museum Identifier: 1889-164/374 Go to resource More Like this...
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