689 Horse Mt, 470-5200 ft., Humboldt Co., Calif. June 1, 1933 Reconnoitered Today. Crest of Horse Mt. covered with snow; timber light and made up of Pinus ponderosa, monticola, hibecadrus recurrens, Pseudotauga and shrubs. occasional Castanopsis chrysophylla. East side of ridge sparsely timbered on north end due to lumbering activities of mining company; farther south the timber becomes heavy and all along the ridge evidently extends to bottom. West side of Horse Mt. timbered on upper half on northern end; bare of timber except scattering oaks on south end. Mountain ends in low gap, 4-5 miles from north end where Cold Springs is located. Pinus jeffreyi noted as rows along crest of ridge and on east NE slope. Pinus monticola noted at a few spots on S.W. slope. In many places on the S.W. slope there are "pure stands" of Hackelberry Oak which form a fine heavy matting of brush.