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Three photos showing USGS environmental health science

Detailed Description

(A) Winter time water quality sampling, Laura E. Hubbard, USGS, (B) Osprey nestling in the Delaware Estuary, Rebecca S. Lazarus, USGS, (C) A microbiologist prepares a reaction in a Biological Safety Cabinet, Heather Johnson - Contact: Carrie E. Givens, USGS.

Sources/Usage

Public Domain.

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