Holdings: Andrew Porter papers

Journals and memoranda of Andrew Porter on his surveys of the Pennsylvania boundary line.

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Bibliographic Details
Main Author:	Porter, Andrew 1743-1813 (Creator)
Collection:	Andrew Porter Papers
Collection Number:	Am.236
Format:	Manuscript
Language:	English
Subjects and Genres:	Astronomy > 18th century. Surveys > Pennsylvania > 18th century
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