1. Tracing of field chart of West Channel of East Neebish rapids : surveyed for the use of the St Published / Created: 1858 Call Number: 811cea Sa245 1858B Container / Volume: BRBL_00554 Image Count: 1 Resource Type: Maps, Atlases & Globes Subject (Geographic): Michigan--Maps Found in: Beinecke Rare Book and Manuscript Library > Tracing of field chart of West Channel of East Neebish rapids : surveyed for the use of the St. Mary's River improvement under the orders of Capt. A.W. Whipple, T.E. / by J.H. Foster U.S. Sub. Agt. May 1858.
2. Channel cut of Middle Channel, Lake George : St. Mary's River improvement showing character of Published / Created: 1858 Call Number: 811cea Sa245 1858 Container / Volume: BRBL_00554 Image Count: 1 Resource Type: Maps, Atlases & Globes Subject (Geographic): Michigan--Maps Found in: Beinecke Rare Book and Manuscript Library > Channel cut of Middle Channel, Lake George : St. Mary's River improvement showing character of bottom & extent of dredging up to September 30th 1858 / drawn by James T. Baker, surveyed under the orders of Capt. A.W. Whipple, T.E., by J.H. Forster U.S. Sub