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Allegheny Observatory, Riverview Park, Pittsburgh, Pa.
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Allegheny Observatory, Riverview Park, Pittsburgh, Pa.

Detroit Publishing Co. · 1905-01-01 · photo, print, drawing

From the collection of Library of Congress. Free to download, adapt and use — no permission needed.

Subjects
astronomical observatoriesunited statespennsylvaniaparkspittsburghdry plate negatives
Credit lineAllegheny Observatory, Riverview Park, Pittsburgh, Pa.. 1905-01-01. Detroit Publishing Co.. Detroit Publishing Company Collection, Library of Congress. Public domain.
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