Quart, .hum. GcoI.X/t. Vol. XXXIV. PI. XU. 



-ST— -■ 



Jul 



^*-M 



™^"~~" 





77u? bhtck indicates 

 places where die locfe 



has been sloped anuiy. 



PLAN & SECTION OF TIN MINES ON THE GREAT FLAT LODE. 



