Rocky Hartberg Productions is a comic book production company owned and operated by Rocky Hartberg. It is located in Langford, South Dakota. Beginning in 1976, Rocky Hartberg Productions produced a number of underground comics including Cole Black Comix, Lonesome Cowboy Comix, White Knight Comix, Cole Black, and Cole Black Comics. Obviously, many of their titles were devoted to hard-boiled detective Cole Black. In early-2007, publication of Cole Black Comics resumed by Boardman Books (USA).
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