Pictographs Pictographs in the Sierra Blanca mountains. El Palacio July, August, 1957 p.215 Cover. Desert Mag, v.21:6 June 1958 Pictographs discovered in Death Valley. Masterkey v.32 #4 July-Aug. 1958 p.109 Indian art on Canyon walls. Colorado Outdoors v.$ #3 May-June 1959 p.23 Work of Charles LaMonk, in preserving Indian pictographs, Desert v.22 #9 Sept., 1959 p.23-24