Journal Hafner, M.S. 1977 6.0 km. S., 12.0 3.5 km. E Valle de la Trinidad, 910 m. Baja California, México. 3 July (cont) de la Trinidad. We noted a place to get Potable H2O and bought some fruit juices, vegetables (for live animals) and some Cervezas for later. The town, like most towns we've passed through, is miserably poor — more windowless shacks and Ochotillo fences. Old junk cars everywhere. The town has at least 1 store and a few old broken-down restaurants — also a "modern" bank is being built at the west end of town. The streets are dirt and filled with gullies and ditches. The Valle de la Trinidad is a beautiful valley — it lies E-W and is quite long. The surrounding hillsides have barrel cactus and a few Pinjun Junipers. (Mesquite) dominates - as on the valley floor. Much of the valley is currently in agriculture, however. We returned to camp and set-out 200 sherman traps in the Mesquite-Cholla association to the north of the road. The soil's surface is filled with holes belonging to at least 2 species of ground Squirrels (Ammospermophilus leucurus and Spermusolulus