IDICKER 1958 This page is out of sequence. SAN DIEGO COUNTY EXPEDITION Sept. 7 - Sept. 14 - with Alan C. Zeigler & Dick E. Graham Sept. 7 Left Berkeley about 2300 + headed toward San Diego Co on US 50 + 99. Sept. 8 Arrived in Bakersfield about 0530; took US 416 to Mohave, then US 6 to Palmdale & Calif. 138 to join with US 395. Took US 99 S to Salton Sea Desert. We noticed that the narrowest point between the Santa Rosa Mtns & the Salton Sea was at Travertine Rock, just S of the Imperial Co. line. We explored the area from here to about 12 mi. S of Truckhaven. We finally stopped + set up camp 4 mi. N, 4 1/2 mi. W Truckhaven, 33 mi. NW Kane Spring. This is slightly less than a mile down a dirt rd. to the W which junctions with the main rd. about 5 mi. N Truckhaven. After that drove S of Truckhaven + set out about 87 traps in desert or wide of highway. This is one of the most vegetated areas we could find in this extremely desolate desert. There was some dips siren here + some holes which were probably those of ground squirrels. There returned + set 39 traps near join of highway & camp rd. (4 mi. N, 3 1/2 mi. W Truckhaven). There was a little dips siren here also +