Country entries may contain information on the following subjects—buoyage systems, currency, firing areas, fishing areas, government, holidays, ice, industries, languages, mined areas, navigational information (to include maritime claims, maritime boundary disputes, and enroute volumes), offshore drilling, pilotage, pollution, prohibited areas, regulations, restricted areas, search and rescue, signals, submarine operating areas, time zone, traffic separation schemes, U.S. embassy, and vessel traffic services. Information that cannot be accurately depicted within the alphabeticized country text may be listed as an appendix at the end of the country text.