ACTION COMICS (1938) #34

“THE COAL MINE HEIRESS!” While investigating the Laurey Mines with Lois, Clark is trapped inside of a mine. This looks like a job for Superman! Superman: Young Doris Laurey has just come of age and inherited her late father’s coal mines, which she plans to run herself, with the help of her uncle. When Clark and Lois visit the mines trying to get an interview with Doris, they are thrown out by the guards. Clark is suspicious of Doris’s uncle, so he returns to the mines as Superman and discovers that the uncle plans to kill Doris is a staged mining accident.…