Spilled milk, etc. Mayor's office said that about the linked spreadsheet, too.

If that happens, then I'll either look somewhere else for equally relevant information, or just focus more on the two other ongoing legs. :)

A rejection like that isn't necessarily a bad thing with research like this. Knowing about what's available and what's not is incredibly useful and makes similar requests easier in the future. It also helps gauge how a group will handle a request. For example, knowing that the FOIA officer consistently doesn't know FOIA that well means I don't have to bug my lawyer as much.