Collection Number: 16221
Cabinet number: 100-6-8
Comments: --
School: UMN
Collection
mindat.org link
Alternate number: E3105
Pieces: 5
Age, Formation, Suite: --
Collector, Date: RD Longyear, 1933
Locality: Black Hawk Prospect, 200' level, Vulture Dist, Maricopia Co, AZ