-# http://www.census.gov/geo/www/gazetteer/gazetteer2010.html
-# a410aa212529e11b103bd5d222a952fc 2011-03-02 Gaz_counties_national.zip
-# 680d807fce3bfe6aea8df5df5a6ebb04 2011-03-02 Gaz_cousubs_national.zip
-# 41f34b79edfc3814b48419421d56e2a1 2011-03-02 Gaz_places_national.zip
-# 8b298a6117e7942fd20f3e15076bd38a 2011-05-16 Gaz_zcta_national.zip
+# http://www.census.gov/geo/maps-data/data/gazetteer2015.html
+# 6ce9ebdecb92182a7e3882bc09c5f352 2015-08-11 2015_Gaz_counties_national.zip
+# 92d61a96ace60d4844f2a9b69057332e 2015-08-11 2015_Gaz_cousubs_national.zip
+# 932cb1dbc84877637f4703e0917203d7 2015-08-11 2015_Gaz_place_national.zip
+# 3405d3aa4311bd5e9983784b55e4bbfb 2015-08-11 2015_Gaz_zcta_national.zip