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USGS Benchmark Replica Keychain

$5.99 Reg Price:
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Item Details

Benchmarks placed as survey markers by the US Geological Survey helped map areas like Grand Canyon National Park. This replica keychain version of the South Rim benchmark indicates the elevation above sea level in feet where the original marker is located. Cast in pewter, keychain is not quite 2 inches across.


Learn more about benchmarks in the U.S.

Product Reviews

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  1. Bench mark key chain 5 Star Review

    Posted by on Sep 6th 2018

    These are actually very nice key chains. They are well made and sturdy.