UNITED STATES GEOLOGICAL SURVEY 



SILVER-LEAD DEPOSITS PL. XI 



VERTICAL CROSS SECTION NnO.RICHMOKD MINE. THROUGH ST. 



Prospect Mt Limestone 



ProspectMt Crushed Stratified Secret Cn Workings pro r ected 



Qua.rtzi.te Limestone Limestone Limestone Shale Ore Fissures on trie Section 



Scale 200 ft - 1 Inch 



*..*.fl» *r *? 



METRES 



