White fir and sugar pine trees in Stanislaus National Forest. White fir (Abies concolor) reproduction with sugar pine (Pinus lambertiana) thrifty mature trees in the background. S.P. seedling by stick at right and in left foreground are same age as surrounding white firs. Stanislaus N.F. Miner's Ditch sale area, elev. 5300 ft. from C.L. Hill"