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Chalcedony from North Dakota, USA

USA
 
  • North Dakota
    • Billings Co.
[var: Agate] Ransom, 1974. Gems and Minerals of America
[var: Agate] Jay Ellis Ransom,1974,Gems and Minerals of America
    • Dunn Co.
Southwestern Minnesota archaeology: 12,000 years in the Prairie Lake Region By Scott F. Anfinson
    • Golden Valley Co.
Sharen Schaal specimens, exhibited at Quartzite, AZ, january-february 2012.
[var: Agate] Jay Ellis Ransom,1974,Gems and Minerals of America
Zeitner, 1956. Midwest Gem Trails
[var: Agate] Jay Ellis Ransom,1974,Gems and Minerals of America
[var: Jasper] Ransom, 1974. Gems and Minerals of America
[var: Moss Agate] Rock and Mineral Collecting in North Dakota NDGS Newsletter June 1976
[var: Moss Agate] MacFall, 1951. Gem Hunter's Guide, 1st ed.
[var: Moss Agate] Rock and Mineral Collecting in North Dakota NDGS Newsletter June 1976
[var: Agate] Ransom, 1974. Gems and Minerals of America
[var: Agate] Rocks&Min. 20:533.
[var: Agate] Jay Ellis Ransom,1974,Gems and Minerals of America
[var: Agate] Jay Ellis Ransom,1974,Gems and Minerals of America
    • Williams Co.
[var: Moss Agate] MacFall, 1951. Gem Hunter's Guide, 1st ed.



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