Good morning! Supplemental to your great DD post
Post# of 8054
Good morning! Supplemental to your great DD post for anyone interested further in charts, legends, UOM, etc. This how NOAA looks at it. Enjoy! http://www.nauticalcharts.noaa.gov/mcd/learnn...dings.html
If this isn't enough for the curious, there is this source with additional links/sources. http://en.wikipedia.org/wiki/Defense_Mapping_..._.28DMA.29
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