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Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here:https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years 

Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here: https://www.wyohistory.org/encyclopedia/refining-wyomings-oil-120-years

Black and white photograph of the Standard Oil Refinery, Wyoming. Black and white photograph of the Standard Oil Refinery, Wyoming. More information on the history of this refinery and the industry can be found here:…