Just Dig

Two brothers, asteroid prospectors, are awoken when an asteroid lands somewhere along the boundary between their little plot, and the enormous plot owned by their neighbors. They drive out to see on whose plot the rock has fallen, and who can claim it as theirs to sell. As they do, they argue about whether they can depend on luck to end a long dry spell, or if they'll have to make their own luck to turn a profit.
Also included in this publication is a brief afterword by the author, in which he explain the origins of the story, and the edits it went through.