1881. 2023-01-19T19:46:06Z. 2023-01-24T22:37:51Z. United States. War Department. Corps of Engineers, cartographer, publisher. Corps of Engineers?. English. cartographic image. Public. Montana.
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1878. 2002-09-19T20:08:36Z. 2023-01-24T22:37:08Z. United States. War Department. Corps of Engineers, cartographer, publisher. Corps of Engineers?. English. cartographic image. Public. Montana.
1875. 2002-09-20T16:25:25Z. 2023-01-24T22:37:55Z. United States. War Department. Corps of Engineers, cartographer, publisher. Corps of Engineers?. English. cartographic image. Public. Montana.
1881. 2002-09-19T19:57:26Z. 2023-01-24T22:37:03Z. United States. War Department. Corps of Engineers, cartographer, publisher. Corps of Engineers?. English. cartographic image. Public. Montana.