Born-Digital or AnalogAnalogTranscriptPetroglyphs In the Colorado River Canyons. Imp. Era v.53 #3, Mar., 1950 p.195 Various interpretations of prehistoric design found thru southwest. New Mexico Mag. v.40 #9 Sept., 1960 p.3-5 Moab Mastodon deep in canyon of the Colorado River. Desert Aug. 1947 p.24 Petroglyphs - a preliminary paper, by David S. Gebhard. El Palacio v.58 #3 March 1951CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
