Back to the resource library The Last American Dinosaur: The 1872 Mining Law March 24, 2000 | Share: Download The 1872 Mining Law is the last vestige of public resource giveaways originally enacted to encourage the settlement of the western U.S. See All Related Resources Adams Fork Community Guide Factsheet on Ammonia Cámara óptica de imágenes de gases (OGI) FLIR GasFinder 320 FLIR Gasfinder 320 Optical Gas Imaging Camera