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1903 Map of Helena

Name: 1903 Topographic Map of Helena
Creator: U.S. Geological Survey
Published: 1911
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1911

About this map

The Continental Divide winds through this late 19th-century survey, anchoring a region defined by intense mineral extraction and the rapid expansion of rail infrastructure. Helena serves as the focal point, surrounded by industrial activity in the Scratchgravel Hills and at Ft. Harrison. To the west and south, the landscape is dotted with mining operations and camps such as Marysville, Wickes, and Rimini, while the presence of the Pioneer and Yam Hill mills signifies the era's technological reach into the mountains.

Rail networks including the Northern Pacific RR and Great Northern RR connect major hubs like Butte and Anaconda to smaller junction points like Garrison and Silver Bow Station. These tracks follow the paths carved by the Blackfoot River and numerous mountain gulches, illustrating the logistical challenges of the Montana territory. The map also records early mountain crossings at Mullan Pass and Priests Pass, essential routes before the consolidation of modern highways.