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Photography
Opal
from
Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
Opal
, etc.
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA
USA
Arkansas
Garland County
Indian Mountain
ⓘ
Smith Whetstone Quarry
Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index.
Rocks & Minerals
, 63 (2) 104-125
doi:10.1080/00357529.1988.11761826
Lake Catherine
ⓘ
V intrusive
Smith, Arthur E. Jr. (1988) Arkansas Mineral Locality Index.
Rocks & Minerals
, 63 (2) 104-125
doi:10.1080/00357529.1988.11761826
ⓘ
Malvern Minerals Company Mine
www.lgsweb.org (2002)
http://www.lgsweb.org/field00g.html
Quarry Mountain (North Mountain)
ⓘ
Sutton Quarries
Rocks & Min.: 21:424.
ⓘ
Whittington Quarry
Rocks & Min.: 21:424.
ⓘ
Wilson Springs (Potash Sulfur Springs)
www.handbookofmineralogy.org (2012)
http://www.handbookofmineralogy.org/pdfs/kingite.pdf
Union Carbide Mine
ⓘ
North Wilson pit
Owens, Don R. (1995) Minerals of the Wilson Springs Vanadium Mines, Potash Sulphur Springs, Arkansas. Rocks & Minerals: 70(3): 154-170.
Howard, J. Michael
and/or
North Wilson pit, Union Carbide Mine, Wilson Springs, Garland County, Arkansas, USA