An old shute used to transfer the gold and silver ore at the Comstock Lode.
Comstock Lode definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
a rich deposit of silver & gold discovered in 1859 in W Nev.: virtually depleted by 1890
Origin: after H. T. Comstock (1820-70), who held first claim to it
Comstock Lode definition by American Heritage Dictionary
A rich vein of gold and silver discovered in 1859 at Virginia City in western Nevada. Because of wasteful mining techniques, it was largely abandoned by 1898.