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Kim Yates and Nate Smiley of the USGS

Detailed Description

Kim Yates (left) and Nate Smiley of the USGS St. Petersburg Coastal and Marine Science Center measure acidity, nutrient levels, and other characteristics of water sampled near the coral reef off Kahekili Beach Park, Maui, Hawai‘i, in March 2016.

Sources/Usage

Public Domain.