Back in late September, Texas Monthly put out a public service announcement of sorts. In response to a long-sounding albeit fairly faint alarm that may or may not have originated from within the walls of our own office, we expressed a desire to once and for all make the ultimate map of Texas’s regions. We requested your help. How far south does the Panhandle reach? Is Houston located in East Texas? Where does West Texas start? That sort of thing. A survey accompanied the PSA, and y’all responded in spades—2,279 of you, in fact. Thank you!The basic problem, as we laid out in the original post, is that Texas is so big and so geographically diverse that trying to comprehend it as a whole is…