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Side-scan imagery of Apra Harbor, Guam U.S. Territory

Published by Pacific Islands Benthic Habitat Mapping Center (PIBHMC), Coral Reef Ecosystem Division (CRED), Pacific Islands Fisheries Science Center (PIFSC), National Marine Fisheries Service (NMFS), National Oceanic and Atmospheric Administration (NOAA) | National Oceanic and Atmospheric Administration, Department of Commerce | Metadata Last Checked: January 27, 2026 | Last Modified: 2010-09-01T00:00:00.000+00:00
Gridded side-scan imagery collected in Apra Harbor, Guam U.S. Territory, USA. The GeoTIFF and Arc ASCII file includes data that were collected using a Klein 3000 high-resolution side-scan sonar system with dual operating frequencies of 100 and 500 kHz. The data were collected in 2008 by the NOAA Office of Coast Survey and the United States Navy Fleet Survey Team and were preliminarily processed by NOAA OCS using the Caris software. Additional processing and mosaicking was performed by the NOAA Coral Reef Ecosystem Division.

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