1 April 1980 continued. After checking traps, Margaret and I set off on what was to have been a brief adventure that turned out to be a 3 hour hike. First we walked downstream along a mesquite- lined stream for about 1/8 mile, then upstream amid cottonwood-willow-mesquite. Then along base of ridge leading N for ca. 1 mile to a complex of small streams rushing-gurgling with tiny waterfalls. Then uphill and back along the top of the ridge. There are several (4-5) extensive spring-riparian areas up there, including one very large that sports a family of elephant trees! Quite a bit of travertine along the ridge, some Neotoma sign. A number of trails, quite old, of a large animal, probably Hare's Lip. Many cairns, some tin cans and assorted garbage. Windy all morning. At lunchtime (1:30) the wind died down and no-see-ums attacked in force. Very irritating. For the rest of the day, we were peppered by them. Set more traps. A line of 40 running downstream through cottonwood-willow till that gave out, crossing road then along dry wash parallel to road. Traps in pairs, snap and Sherman, baited as before. Then crossed road and went to Mesquite-riparian line mesquite-lined stream with a few small cottonwoods. Began line at small cottonwood, headed upstream - set 2 snap, 20 sherman at approx 20 meter intervals. Baited sherman with peanut-butter coated oats. Then we took the