Power of attorney [manuscript] : Fort Michilimackinac [Mackinaw City, Mich.], to Sieurs Rocheblave and Porlier, 1800 July 26.
Power of attorney, dated July 26, 1800 at Fort Michilimackinac, Michigan, granted by Charles Mouet de Langlade, captain in the British department of Indians, to Philippe de Rastel Rocheblave and Joseph Porlier.
Saved in: