A boy follows the men of the United States Bureau of Mines into collapsed workings where miners are entombed for days, then heads west after gold and hears the history of the Forty-Niners. Rolt-Wheeler wraps facts about mine safety, prospecting and panning into a fast-moving story of danger underground.
Part of the U.S. Service Series, an adventure that doubles as a lesson in American mining. Download the free EPUB.