Born-Digital or AnalogAnalogTranscriptAmargosa River. Amargosa mine near Death Valley at Salt Spring. Desert mag. v.#4 Feb. 1950 p 5 In Mojave desert - and. longest underground river in the world. Desert v.21 #'l July,1958 p.21+CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng