There are 2 matches

Collection Authorizer Collection name Reference
17029J. Alroy Titus Canyon (= CIT 253, 254, 255, 256, 257) Chadronian - Cenozoic 3 - California - old id Stock (1949)
17039J. Alroy Spring Canyon (= SDSNH 4041, 4042; Upper Pomerado Conglomerate) Duchesnean/Early Chadronian - Cenozoic 3 - California Walsh and Gutzler (1999)

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