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1989 Map of Mount Blum

Name: 1989 Topographic Map of Mount Blum
Creator: U.S. Geological Survey
Published: 1989
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1989

About this map

North Cascades National Park dominates this late-twentieth-century landscape, centered on the dramatic elevation of Mt Blum and the surrounding drainage basins of the Baker River. The map reveals a high-alpine wilderness defined by interconnected ridges and narrow river valleys, where names like Lonesome Creek and Scramble Creek suggest the challenging nature of the terrain for early explorers and surveyors.

Major landmarks include the Chilliwack Pass in the northwest and Jasper Pass to the southeast, marking critical points of passage through the peaks. Water features are central to the geography, from the Blum Lakes at the foot of their namesake mountain to the branching flows of Mineral Creek and Picket Creek. This provisional survey, based on photography from the 1970s and 1980s, documents the area before modern shifts in glacial and riparian patterns, preserving a record of summits like Mineral Mountain and Easy Peak.