A single copper yoke from the back of a TV can be worth an hour's wages in Asia . Some. Foreign Importers accept the whole unit, break o ff the copper, and throw the leaded glass. CRT in the river. Rudimentary, artisa n  gol d recyclers soak circuit boards in acid, and. pan for gold at the river's edge.
Landscape[edit] The Black Canyon (contained in the borders of the park) is a very deep gorge containing sheer cliffs up to heights of 2250 feet (685 m). The canyon was carved by the Gunnison River, located at the very bottom of the canyon.
The Gunnison River. The Gunnison River has some of the best brown and rainbow trout fishing opportunities in Colorado. The Gold Medal Trout Water section of the river runs through the Black Canyon in Gunnison National Park.