ded:Definition: An attribute of waterBody
that contains the codespace identifying the standard being
used.
ded:Obligation: (Conditional) Mandatory if
waterBody is present.
ded:Comment: Specifies the domain vocabulary of which the waterBody is a
member. Acceptable values should indicate 3 digit code vocabulary
from the GEOINT Standards Working Group's (GWG) NGA.SIG.0038_v.99_CWWN, Codes for
World Waterbody Names (CWWN).