http://www.loc.gov/mods/v3 http://www.loc.gov/standards/mods/v3/mods-3-2.xsd
United States--east coast, Maryland--Virginia, Chesapeake Bay, Pocomoke and Tangier sounds
Chesapeake Bay, Pocomoke and Tangier sounds
Includes tidal information, and table of channel depths.
Numbering realigned 1974 to conform to a new uniform US numbering system for all navigation charts.