This primary source comes from the Records of the Environmental Protection Agency.
National Archives Identifier:
543748Full Citation: Small 'Tourist Trap' Gold-Mining Operation. An Old Steam Shovel is Used to Gather Gravel from Stream and Pour it into a Small Gold Mill. Tourists Pan for Ore at 50c a Pan.; 7/1972; Records of the Environmental Protection Agency, Record Group 412. [Online Version, https://www.docsteach.org/documents/document/small-tourist-trap-goldmining-operation-an-old-steam-shovel-is-used-to-gather-gravel-from-stream-and-pour-it-into-a-small-gold-mill-tourists-pan-for-ore-at-50c-a-pan, May 9, 2024]