Map of the Hudson River Improvement, opposite Albany. Surveyed and drawn by First Lieutenant Danville Leadbetter, of the Corps of Engineers, and John Bratt, Civil Engineer. Troy, New York, January 7th, 1839. Hen. Brewerton, Capt. Corps of Engineers.
January 7 1839
Leadbetter, Danville and John Bratt (surveyors)
New York State Archives. New York (State). State Engineer and Surveyor. Survey maps of lands in New York State, ca. 1711-1913. Series A0273-78, Map #339.
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