1956 Map of Upper Piihonua, 1957 Print
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1956 Map of Upper Piihonua

USGS Topo · Published 1957

About this map

Geological history is etched into the landscape of the Piihonua Hilo Forest Reserve, where multiple volcanic events are documented through distinct terrain markings. The mid-1950s survey captures the intersection of natural hazards and infrastructure, specifically where Saddle Road and a Telephone Line traverse older volcanic deposits. A chronological sequence of eruptions is visible, ranging from the Lava Flow of 1852 up through the more recent Lava Flow of 1942.


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Map Details

Date Portrayed1956
Date Published1957
PublisherU.S. Geological Survey
Map TypeTopographic
Scale1:24,000
Physical Dimensions24 x 26.9 inches

Editions of this 1956 Upper Piihonua Map


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Source Details

CopyrightPublic Domain