REEF uses a hierarchical 8-digit code system for survey site locations. Each geographic area has its own set of codes. When completing a survey, you need to know the complete 8-digit code for the site you surveyed.

If the site that you surveyed is not currently on our list, then please email zonecode@REEF.org to request a new code to be assigned. Please provide the site name, general location, and ideally the latitude and longitude.

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Region: TWA
Zone: Dauphin Island/Mobile Bay

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ZoneZone Code listGeographic ReportNameHave Coordinates?
21020001Geographic ReportAtlantisNo
21020002Geographic ReportArmy TankYes
21020003Geographic ReportWhiskey WreckNo
21020004Geographic ReportFoxNo
21020005Geographic ReportPlease use 21010125 (was Air Force Tower)No
21020006Geographic ReportNavy TugYes
21020007Geographic Report3 Mile BargeYes