The Comstock Lode Refers to a

The Comstock Lode refers to a

A) large reservation set aside for Native Americans in Texas.
B) mining discovery of gold and silver in Nevada that was the most profitable at that point.
C) black disenfranchisement plan promoted by southerners who moved West.
D) cattle drive that ran through Ohio and ended in Wyoming.
E) settlement in the Rockies that marked the end of territorial governments in the West.