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MARYLAND HISTORICAL SocErY.-At nesI.
ing held ia Baltimore on Thursday evening, sons
valuable papers were deposited with this Socsy'
by Robert GiImor, Esq they consist in part oil les
Book OF Field Notes, taken by the Surveyors WIZ
ran the line between MARYLAND end Pcnnsylvani!
about l75l y the letters of Mason and Dixon, H|
ran The remainder of the boundary sketch o. =, =.
taught line, on letter from John Emory, one o. "
Surveyors in I75I, and copy of the map made y
Col. Cresap Of the river Potomac, showing tne gu
frrent lengths OF the North and South branches
This is valuable doneti tion.