What government sources? Can you name the agency that provides this data?
US Board on Geographic Names. It's a Federal Executive cross-agency board within the President's chain of command.
> Yes, you can propose a change to an existing name or spelling, or to correct the location of a named feature. However, there must be a compelling reason and evidence of support for the change. The BGN discourages name changes unless there is a compelling reason. Changing a name merely to correct or re-establish historical usage is not in and of itself a reason to change a name.