Beschreibung:

Letter from the Secretary of War, transmitting, with a Letter from the Chief of Engineers, preliminary Report on Survey of connecting Waters between Lakes Superior and Huron, including Hay Lake Channel, St. Marys River. December 6, 1900.. 8°. Mit 1 gef., farb. Karte. 4 SS. Br. mit Rückenfalz (guter Erhaltungszustand).

Bemerkung:

With map: Part of St. Marys River, Mich. Skeleton Map illustrating preliminary Report and Estimate for securing a safe and convenient Channel 21 Ft. deep. Prepared in compliance with R. & H. Act of March 3, 1899 (partly colour printed, ca. 83 x 50 cm).