Ely Valley Mines, Inc — Letterhead: Ely Valley Mines, Inc. , Pioche, Nevada

Pioche, Nev. 20th cent. Letterhead for the Ely Valley Mines. 8-1/2 x 11 inches. 17 sheets. Unmarked. Silver mining began in Pioche, county seat of Lincoln County, in the 1860s. Ely Valley Mines was active by the turn of the 20th century. In the 1960s it consolidated with another company, and became the Pioche-Ely Valley Mines. .