hy-p:DrainageBasin | : constrainthttp://def.isotc211.org/iso19150/-2/2012/base# Create a prefix for http://def.isotc211.org/iso19150/-2/2012/base# Hit Enter to save Double click to create a prefix | largestBasinIsRiverBasin: /* A ...... not c.oclIsTypeOf(RiverBasin)) |