@misc{Wegemann_Carroll_Harvey_(1879-?)_Bulletin,
 author={Wegemann, Carroll Harvey (1879-?) and Heald, Kenneth Conrad (1888-1971)},
 copyright={Gdańsk University of Technology Library},
 howpublished={online},
 publisher={Government Printing Office.},
 language={eng},
 title={Bulletin 621-B. The healdton oil field Carter Country, Oklahoma},
 type={journal},
 keywords={geology, mineralogy, United States of America, journals},
}