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.n 



Entered, for the Commonwealth of Pennsylvania, in the year ]880, according 



to acts of Congress, 



By WILLIAM A. INGHAM. 



/Secretary of the Board of Commissioners of Geo/or/ical /Survey, 



In the office of the Librarian of Congress, at 



Washington, D. C. 



Stereotyped anrl printed liy 



LANE S. HART, State Printer, 



Harrisburfc, Pa. 



