XVI CONTENTS. 
Chapter VIII.—Mines of Battle Mountain (west group) and outlying prospects—Continued. Page. 
Gold Coin mine. 487 
Introduction. 487 
Underground development. 488 
Lode systems. 488 
Geological features. 490 
Form and structure of the ore bodies. 491 
Character of ore. 493 
Underground water. 494 
Sunset-Eclipse mine. 494 
Carbonate Queen mine. 495 
Big Bull, Brind, and Straub mountains and Grouse Hill..•. 495 
Lower Cripple Creek. 496 
