Field Trip. June 2 - 3 - 1932. Fort Hall Indian School. While attending a Boy Scout encampment at Fort Hall Indian School June 2-3, I placed traps in the field over night. About one half mile south of the school I found a 20 acre plot too high to be reached by irrigation, and used as pasture. The soil was very sandy and the only vegetation sage brush and (wild oats?).. 60 mouse traps were set in this area about 4 P.M. June 2 and collected in A.M. of June 3. Catch! 3 Peromyscus 1 Chipmunk - Eutamia minurus #597. From the high sandy character of the plot, I had hoped to get kangaroo rats and pocket mice — mostly, I got nothing! An irrigation ditch 4 ft. wide passed through the area. Blue grass and alfalfa bordered the ditch for a distance of four feet on either side. In this margin