Columbia subject headings:
Adventure stories, American.
Gold mines and mining--Southwest, New--Fiction.
Harvard subject headings:
Action and adventure fiction
Adventure stories, American
Gold mines and mining--Southwest, New--Fiction.
Short stories
Southwest, New--Fiction.
Southwest, New--Gold discoveries--Fiction.
Western fiction
Princeton subject headings:
Adventure stories, American.
Fiction.
Gold mines and mining--Southwest, New--Fiction.