Fixes a problem where DataSources are falsely reported as extras (not in use anywhere in the database) when rows in DescriptionOfMapUnits have a Description but no MapUnit value. Reported by Montana Bureau of Mines and Geology.
Fixes a problem where DataSources are falsely reported as extras (not in use anywhere in the database) when rows in DescriptionOfMapUnits have a Description but no MapUnit value. Reported by Montana Bureau of Mines and Geology.