Key Ring Cal. Benchmark symbol

$10.00
$10.00
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Quantity
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This Perpetual Key Ring features the USGS Benchmark symbol for Lowell Observatory.

On the front is the exact USGS Survey Benchmark that is on our campus. 

On the reverse is a 50-year (2010-2060) perpetual calendar in a compact,  lightweight calendar.

This keychain is the perfect accessory for your keys.