Peacock Leas NO 345 Initial post LEGEND Sedimentary bed-rock Serpentine bed-rock Prospect- shaft Booming-dam Bench ground worked in 1938 Rock piles ie) 100 200 if Scale Contour interval 10 feet wwe. SI x. Limestone Quartz Vein @ Peacocks old booming-dam Fig. 4. Detail map of Wheaton Creek at Boulder Creek Mines, Limited operation on the Peacock lease. = ae