Lu Davis 1940. Dec. 28. 7 mi. NE Fort Yuma, 200'; Imperial Co., Calif. catch in p.m. Interviewed an old trapper near camp who promised to save us some muskrat + Runk, possibly a Lynx, coyote, or kit fox, & buried p.m. after supper. Dec. 29. Trapper brought in 4 muskrats. Skinned a.m. Heavy rain all day; stopped about 8:00 p.m. High wind. Dec. 30. Weather clearing, no rain. Hunted birds a.m. shot 1 Lined Thrasher. Broke camp. Sibley and I walked to the trapper's & obtained 4 muskrat and 1 Fox. Trapper's name is Ike Redford. Drove to Yuma, then to Fortuna Mine, 14 mi. out of Yuma on Route 80 and about 10 miles south of the highway. Drove on and made camp at a locality: 10 mi. SE Fortuna Mine, Yuma Co., Ariz. Set out about 35 traps between the three of us. Light intermittent showers during night. Dec. 31. Broke camp, drove 6 mi. SE. Road passable since recent heavy rains had packed the sand fairly hard. Had to repair road over numerous washes. This road goes to Tinajas Altas. Made camp at a point: 16 mi. SE Fortuna Mine, 300', Yuma Co., Ariz. Gila Mts. about 1 1/2 mi. N., Butler Mts. about 1 1/4 mi. S. Camp. We are on a flat sandy plain broken by numerous washes, all running