49TH PAR. BOUNDARY SURVEY INCLUDING GREAT BRITAIN & U.S.
U.S. NORTHWEST BOUNDARY COMMISSION 1857-62 WITH ADJ. AREAS
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Appendix Name
USNA 76/215References and Repositories Abbreviations
49TH PAR. BOUNDARY SURVEY INCLUDING GREAT BRITAIN & U.S.
U.S. NORTHWEST BOUNDARY COMMISSION 1857-62 WITH ADJ. AREAS
References and Repositories Abbreviations