S.B. Ruff 1970 Journal 2 5 Feb 906.5= 107 Amphibian Collection trip 2.1 mi NW Coulterville Hwy 49 Mariposa co on Hwy 49 Headed toward Bear Valley. we plan to look for Hydromantes brunus in Hall Hollow a spot where Gary Fellers collected are about a walk ago. 920. 8 Hall Hollow Hwy 49 out of Coulterville, Mariposa Co., Calif 12.2 mi. S. Coulterville. collected from 4:45-5:15 PM captured 2 adult Hydromantes brunus and saw one other. 1 ad & 1 ad F. Also collected 3 ad T.t.sierrae and 3 juv. 3 ad and 1 juv were out crawling in the open. Juv 1/8" S.O. looked like an Ensatina crawling in the open up slope about 45° and about 40 feet from a stream on the SE facing slope