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USGS Geologist Hannah Tompkins loading strontium samples on a turret with 21 individual filament locations

By Geosciences and Environmental Change Science Center
Lab worker loading strontium samples on a turret with 21 individual filament locations
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Detailed Description

Working in the Denver Radiogenic Isotope Lab, Hannah Tompkins loading strontium samples on a turret with 21 individual filament locations.

Sources/Usage

Public Domain.

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