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1967 Map of Mount Massive

Name: 1967 Topographic Map of Mount Massive
Creator: U.S. Geological Survey
Published: 1972
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1972

About this map

The Leadville National Fish Hatchery and its associated water structures, including Evergreen Lakes and Lily Pond, anchor the eastern slopes of this high-altitude landscape. Established in the late 19th century, the hatchery’s complex layout is shown alongside engineering feats like the Carlton Tunnel and Busk-Ivanhoe Tunnel, which cut through the Continental Divide to manage water and transportation across the mountains.

Evidence of historical extraction and recreation is scattered throughout the drainages of Halfmoon Creek and Rock Creek. An Old RR Grade traces the early rail infrastructure needed to navigate the steep grade, while several prospects and the Venture Shaft indicate the persistent search for minerals. The map also documents significant high-country trails, such as the High Line Trail and Main Range Trail, connecting remote basins like North Halfmoon Lakes and Three Lakes.