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Frequently Asked Questions: Mapping of U.S. Ocean and Coastal Waters

Published Jul 29, 2025Updated Jul 31, 2025

The Congressional Research Service is a nonpartisan policy and legal analysis arm of the Library of Congress. CRS reports are written for members of Congress and their staff, not the public — but they’re made available openly through Congress.gov.

Frequently Asked Questions: Mapping of U.S. Ocean and Coastal Waters — Informed