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Thomas Gill Maps of the Schuylkill Navigation, 1827
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Map Lovers’ Monday: Two views of the Union Canal in central Pennsylvania
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Schuylkill Navigation: Celebrating 200 years
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Map Lovers’ Monday: Topography of Philadelphia from 1863
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Street map of Reading, Pennsylvania, 1872
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Schuylkill River above Belmont (Picturesque America)
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Schuylkill Navigation lock at Fairmount (Picturesque America)
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