Thorsen 1958 Pg.26 Journal July 18 Mountaineer Mine (Cont) systems, and the Myotis veller were thick. We were able to capture upwards of fifty, from a single electric with the net. Upon ascending an inclined shaft we reached the surface but on the south side of the canyon. Leaving those bats we had caught, we headed on up the canyon. After 0.1 mi or so the canyon turning south (left) while we continued west up and over a saddle. On the other side lay [illegible] a valley and the same stream we had been following. On the south side lay in of the valley were some mine workings. Here we found many [illegible] Macrotus. The upper tunnels, all short affairs, and a few of these bats but after moving down across an area of breakdown I found an area, low ceilinged, terminating in a v. deep vertical shaft. This area was overloaded with Macrotus. We secured more than about 100 of these bats. By this time it was almost sunset. We started back but decided to follow along the canyon instead of climbing up and over the saddle. By this ill-chosen route it was about 1 1/2 miles back to the first mine, perhaps double the distance of the way we took in. To soon as the sun while there was still much light left we noted that