AWOIS - Automated Wreck and Obstruction Information System Data and Maps via http://www.nauticalcharts.noaa.gov/hsd/AWOIS_download.html NOAA Office of Coast Survey
data
system
open
information
gis
noaa
open-data
automated
virginia
coastal
coast
awois
wreck
obstruction
office-of-coast-survey
coastal-survey
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Updated
May 23, 2013