closely grazed fields. Lots of small stones, some of which have been piled into hogs. aug 23 Light rain during night - enough to settle the dust. Temp at 7 am 50° cloudy. Vegetation is open area, 12-foot cholla tree, 10 ft. candleabra coeti, willow- leafed shrubs, spindles Berberis, with yellow berries this size ( ), a spring Berberis, a very spring no-leaf bush (opposite leaves), small arboreal Tillandsia, agave, and other shrubs + rocks + grass. my 30 folding Sherman, 18 non-folding, caught 1 Phyllotis + 3 Calomys. Anita into 20 traps at 10 large Sherman + 10 small Sherman caught 2 Phyllotis and 1 Calomys (all in 2mgs). For Carol carried Calomys. Left about 8 and drove down the valley as follows: Camp mileage 53.7, cross river 56.4, Mariscal Cocares 56.8 (8,650 ft), lots of coccol nuts at 7,580 ft. Between where the road crosses the Rio Montano and Montana is some nice solitude desert. Camped about 2 miles air line SE of Montana, on a hill, overlooking the valley; under a puffer tree. Terrain is arid, lots of scattered large pepper trees, plowed fields, stone walls, and costs of numerous sorts. Put traps along stone walls. aug 24 a few sprinklers overnight. Day partly cloudy. my 57 small Shermans held 3 Abrodon, 6 Phyllotis, 8 Calomys; Carol had 5 Calomys, 3 Phyllotis