Park office area; plot SW of conference room ~25 m & SE from rd ~25 m. CCC buildings on east side of plot. Pinnacles office buildings nearby (impact #13). We counted the stream retaining wall as stones & it was somewhat vertical. Jpg. 7414 taken in a SW direction. Rectangle 25 m X 40 m =1000 m2; riparian with streambed in the middle; Quercus agrifolia & Rubus ursinus understory with cement trails on the east side of plot and Highway 146 (Bear Gulch Rd.) on the west boundary of plot. Buzzard (turkey vulture) roost nearby; anaerobic smell.