Born-Digital or AnalogAnalogTranscriptMining. Hydraulic. Placer. New Mexico First authentic record of placer mining in U.S. west of the Mississippi at Old Placers, Ortiz Mountains, New Mexico, 1828. New Mexico Quarertly . v.27 #4 Winter 1957-58 p.351CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
Mining. Hydraulic. Placer. New Mexico, [433522]. Denver Public Library Digital Collections, accessed 15/01/2026, https://digital.denverlibrary.org/nodes/view/1426392
