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.
1 Compare this to the elevation of the lowest point at Phantom Ranch on the bottom of the canyon floorâwhich is 2,400 feet high. 2  The Grand Canyon averages 10 miles across in width. 3  Its narrowest point is in Marble Canyon, where it is 600 feet wide. 4  Its maximum width of 18 miles is found at several different points.