1979

Black Hills Trucking’s Casper Terminal completed

1978

Third addition to Casper office building completed

First helicopter landing on top of a building in Wyoming when True helicopter landed on Casper office building’s helipad

1977

Hilltop National Bank purchased

1974

BFPL built and interstate pipeline from Red Wing Creek to Baker, MT; built 2 gas plants and many miles of gas pipeline

1973

Moved Coyote Creek gas plant to Red Wing Creek

1972

Red Wing Creek Field in McKenzie County, North Dakota discovered

 

1971

Tamma True Hatten, Hank True, Diemer True, and David L. True became partners in the True companies

Second addition to Casper office building completed

1970

Consolidation of trucks from drilling company, pipeline company, oil company, ranch operations and oil purchasing company formed Black Hills Trucking, Inc.

1963

Completed drilling 1,000th well; Eighty Eight Oil Company formed to answer the needs of a crude oil purchasing and sales operation in the Powder River Basin

 

1961

Children of Employees Scholarship Program began

1960

First addition to Casper office building completed

True Oil drilled discovery wells in Pleasant Valley, Rainbow Ranch, Little Michell Creek, Duvall Ranch, Slattery and Gibb Ranch field