Journal Hafner, M.S. 1979 Monterrey, Nuevo Leon, Mexico. 29 June (cont) Mazatlán (Aeromexico). 1300 departed Monterrey and drove via Hwy 40 to Saltillo, Coahuila. The mountains along the way were quite spectacular - razor-back ridges jutting quite high in the air. The vegetation consisted mainly of mesquite, yucca, and cholla. We outskirted Saltillo and headed east on Hwy 57 to the vicinity of Bella Unión. After looking (for about 2 hrs.) for gophers, we finally found a population dense enough to warrant trapping (we hoped for 15-20 specimens). We set out a total of 15 sets as per the following map. ↑ N specimen eaten by rats, dogs? (circled sets are successful) tall corn empty young corn small farmhouse parked here -> Saltillo Hwy 57 Bella Unión