location of mouse?

There's a location field associated with each session/surgery, and a cage number for the mouse, but there's no field I can find giving the location of the mouse, i.e. what room it is housed in. This seems like important information both for practical reasons (where do I need to go to find mouse X?) and scientific ones (studying any effects of housing location). Am I missing it? If not, I recommend a location field for the Housing Subjects table, and a filter on the Subjects list page that lets you filter by this. The alternative is writing stuff into the Cage field for each subject as a hack, but I don't see any reason to not do this properly.