Koford 33 Journal 12500±ft. 15 September 1967. Lake Conococha, Dpto. Arecocha appeared to be shallow, with many exposed muddy area, but 50+ huallator (geese), and various ducks + shelducks. We saw men fishing in outlet stream with long poles. I set 22 traps by boulders and rock walls up a slope w. bunch- green and some ducks and cushion cactus. Cold night. 16 September 1967. Catch was 11 mice, all some breed of Phyllotis apparently. See no water. Flighted duck flocks in morning. Departed for Pataillas on coast down dry rocky canyon, w. gradually increasing agriculture with de- creeze in elev. Streams + tals in upper rocks. Corn and coas in lower. Small town, Chupiquindo, 72 km. from lake. Continued on S. to dry roadside of Laguna de Lachay, in heavy evening fog. Save to camp as July 1. 17 September 1967. Effused slopes to W., walking to summit shot when fog swept over crest. Seven falls on upper slopes + extending down 500+ ft. Apparent viscacha droppings on many rocks, and prominent dusting bowls on one slope. Earth dug out 1/2 ft., dusty; and viscacho tracks and 22 trails. Set 20+ swap traps and a few steel traps for viscachar. Hamilton saw 2-3 viscachor at foot of talus slide, well below green belt, and set traps there. Few birds seen, but 2 adult Vultur shunted ciffs as if nesting in area. Hard and cold at night. Althenevery only 10-11 a.m., 3-4 p.m. 18 September 1967. My 22 swap traps held 4 mice, Phyllotis lawnini. Caught no viscachor. Foggy again. Took up traps and drove around to Bosque de Lachay. From below first gate now green aspect, and at lodquarter falls were (deep Green