<== Site of the Week for 2017-11-06 ==>
American Gilsonite mines the Gilsonite deposits in the Unita Basin. This is a unique, rich asphalt substance with a wide array of industrial applications.
American Gilsonite was founded as the Gilson Asphaltum Company by Samuel H. Gilson who began mining the substance in 1888. The name change took place in 1948.