Mateusz: For whatever reason, yes, the library was built over the canal, which got converted into the subway.

gpserror: It should be easier to move something to OHM than delete it. Unfortunately that's not the case. I proposed a solution earlier, ("OHM=yes") which you have not commented on. Deleting items that you think are historical is not the answer. Deleting TIGER crap, well, that is. They are not the same things.