NOTE May be used to hold a national hydrological identification code.
@en
NOTE Derived 'views' of real-w ...... me or hydrographic identifier.
@en
EXAMPLE: A real-world object i ...... eporting view (as a WFDRiver).
@en
NOTE It will often be a national hydrographic identifier.
@en
NOTE In the case of a national ...... ode as per ISO 3166-1-Alpha-2.
@en
EXAMPLE A standing water in a ...... of the same real world object.
@en
NOTE 1 The identifier may be a ...... of the same real world object.
@en