X TABLE OF CONTENTS. 



Page. 



Chapter IX. Gold Mining in Coloeado.— By J. D. HAGiniJ 493 



Section I. Gilpin County Gold Veins 493 



II. Treatment of the Ores 547 



Chapter X. Silver Mining in Colorado. — By J. D. Hague 589 



Section I, Georgetown Silyer-bearing Yeins 589 



II. Treatment of the Ores 606 



III. Snake Eiver Mines 617 



Index 627 



4 



i 



