Born-Digital or AnalogAnalogTranscriptColorado river One of largest least explored of American rivers. Colorado Prospector Jy 1969 P 1 Exploring Review of the lower Grand Canyon by canoe. Arizona Highways v.61 #9 S 1985 p.12-17 explorations down the river. Westerners Denver Posse Roundup Exploring the side canyons of the Grand Canyon while rafting down the Colorado River. Arizona Highways v.64 #7Q Jy 1988 p.25- 31 0CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
