685 Horse Ridge, at 5500 ft., wside, SW Ruth, Trinity Co., Ca. May 28, 1933 Back up on west facing slope of Horse Ridge again. Planted 35 more traps in timber at head of canyon with Abies. Brouse heard drumming on dry ridge on way up. The peculiar canyon mentioned above, in which trapping has been done was explored today. It lies north of Littlefield Creek and has origin only several hundred feet from the top of the ridge which is almost at the lookout station. From the summit down 300-500 ft., there is a heavy growth of brush (ceanthus, chinquapin and manzanita). Then there are several outcroppings of metamorphosed rock around which trapping was done and Eutamias & Neotoma fuscipes were taken. There is a scattering of White Fir around. 50-100 yds. below the outcropping of rock the real growth of Timber begins & surrounds two large springs, the streams from which soon merge into a common canyon. The canyon becomes deeper, the Firs less cut and Douglas Spruce