El Karstman Journal April 12 left MVZ 8:30 A.M. for Yosemite Valley. Driving along this trip, initial speedmeter reading 35477.8 at MVZ, tank full. Tracy 9:50, Modesto 10:20. Merced (35604.0) at 11:15 A.M. Hazy sun in valley, mild temperatures. Valley generally dry, no standing water in yortor creeks along highway until I hit U.S. 99 from Modesto to Merced. Placida on Hwy 140 (613.8) east side of town Standing water in gorge (614.6) and a culvert 21.1. Road to Hornitos (630.0) and cutoff to Mt. Bullim (634.4). I stayed on Hwy 140 to Mariposa. First stage (637.6) a small tributary to Agua Fria Creek. Shallow flow in the creek, hillsides dry. One Eumeces gilberti taken here. Mariposa (642.2) SW end of town. Took road toward Warm Bar, along creek. Park area near the Fairgrounds 1.8 miles from Mariposa. Conversation with a lady who lived near the pond (part on her property) revealed fact that bullfrogs were there. She has seen "Toads" (probably Bufo?) around her house. She dammed-up hole near the cumbel rock plant on this road (between Mariposa & Fairgrounds) has been in existence at least three years. Drove directly to Yosemite Valley, arriving at museum 2:15 P.M. (5688 speedmeter) Hazy warm sun continued, same in valley.