Spatial Coverage: Helena - Yale University Library GeoBlacklight Search Results

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1. Ide's map of Helena Montana : compiled and drawn from offical sources and the county records

1888. 2002-06-01T04:00:00Z. 2018-11-01T21:36:16Z. Ide, Arthur W., cartographer. Arthur W. Ide. English. Public. Montana, Helena, and Helena (Mont.).

2. Insurance maps of Helena, Lewis and Clark Counties, Montana

1930. 2022-09-13T16:09:07Z. 2022-09-15T17:12:49Z. Sanborn Map Company, cartographer. Published by the Sanborn Map Company. English. cartographic image. Public. Montana, Helena, and Helena (Mont.).

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