APPROXIMATELY LOCATED IN OR AROUND THE CHALK MOUNTAIN MINING DISTRICT; CROSS SECTION; SCALE 1 INCH = 200 FEET; MAP NO.3; VERSION OF ITEM 4; SITE NAME: CHALK MOUNTAIN MINING PROPERTY?, BIG BEN SHAFT, DAWES SHAFT, NO.1 SHAFT, NO.6 SHAFT, NO.7 SHAFT; AUTHOR: LAKES, A.