Action Comics #34 (1941)

In Action Comics #34, we find our hero Superman investigating the Laurel Mines with Lois. While they're there, they meet Doris Laurey, the new owner of the coal mines. Doris stands to lose everything when her uncle decides to stage a mining accident in an attempt to kill her and take her inheritance. Fortunately, Superman is there to save the day. But the danger doesn't stop there. Doris's uncle continues to try and kill her, almost succeeding with a poisoned drink and a deadly compression chamber. The story culminates in a race against time as Superman tries to prevent a bomb from killing all the miners. It's a thrilling tale of bravery and heroism, and one that is sure to captivate comic book fans of all ages.