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Approximate locations of recent USGS fieldwork, March 2017

By Coastal and Marine Hazards and Resources Program 2017 (approx.)
Graphic map of US, Pacific islands, and part of S. America showing locations of fieldwork with red dots. Green=land; blue=water.
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Detailed Description

Approximate locations of some recent USGS coastal and offshore fieldwork. Map base: https://coastalmap.marine.usgs.gov.

Sources/Usage

Public Domain.