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1930 Map of Humuula

Name: 1930 Topographic Map of Humuula
Creator: U.S. Geological Survey
Published: 1943
License: https://creativecommons.org/publicdomain/mark/1.0/

USGS Topo · Published 1943

About this map

Volcanic activity and high-altitude ranching dominate this 1920s survey of the Big Island's saddle region. The map documents the sprawling Lava Flow of 1843, Lava Flow of 1855, and several later nineteenth-century eruptions that carved distinct paths through the Hilo Forest Reserve and Upper Waiakea Forest Reserve. Isolated outposts like the Humuula Sheep Station and Puu Oo Ranch highlight the livestock industry's footprint on the slopes of the peaks.

The landscape is threaded with essential infrastructure for travelers and ranchers, including the Volcano House Trail and vital water sources such as Solomons Waterhole. Significant portions of the land are dedicated to the Hawaii National Park and various forest reserves, protecting high-elevation landmarks like Puu Ulaula and Puu Lau. These labels provide a clear record of the intersection between early conservation efforts and the active volcanic terrain.