Last modified: 2012-09-01 15:21:58 UTC
http://wlm.wikimedia.org/api/api.php?action=adminlevels&format=json&admtree=mx is empty see https://en.wikipedia.org/wiki/ISO_3166-2:MX for the list
mysql> SELECT DISTINCT(iso) FROM `monuments_mx_(es)`; +--------+ | iso | +--------+ | MX-BCN | | MX-BCS | | MX-CAM | | MX-CHH | | MX-AGU | | MX-CHP | | MX-COA | | MX-DIF | | MX-COL | | MX-JAL | | MX-DUR | | MX-GUA | | MX-GRO | | MX-HID | | MX-MOR | | MX-NAY | | MX-NLE | | MX-PUE | | MX-OAX | | MX-MEX | | MX-MIC | | MX-ROO | | MX-QUE | | MX-SLP | | MX-SIN | | MX-SON | | MX-TAB | | MX-TAM | | MX-TLA | | MX-VER | | MX-YUC | | MX-ZAC | +--------+ 32 rows in set (0.05 sec) Mapped to the main table