PROJECT: BORING ID: ERDC Site Wide Monitoring Plan (13 002-4) KAR13-015 (Completed) LOCATION: WELL ID: Keno Hills Silver District (KHSD) ST-MW-1 DRILLING CONTRACTOR: NORTHING: EASTING: Access Consulting Group 7086547.66 474890.37 DRILLING EQUIPMENT: GROUND SURFACE ELEV. (masl): TOC ELEVATION (m ags): Midnight Sun Drilling Inc. 817.19 0.74 TOTAL DEPTH (m): DRILLING METHOD: WATER DEPTH (m TOC): Air Rotary 49.68 6.88 LOGGED BY: SAMPLING METHOD: DATE STARTED: DATE COMPLETED: KR/MR 2 Feet (0.61 m) Continuous Sampling September 8, 2013 September 9, 2013 Graphic Description Well Construction Log Depth (m) 0 0 OVERBURDEN Casing 2 2 Casing 4 4 QUARTZITE, bedrock contact @ 1.52m, dark grey Grout Grout 6 6 GRAPHITIC SCHIST 8 8 QUARTZITE GRAPHITIC SCHIST, pyrite noted 10 10 12 12 QUARTZITE, some Graphitic Schist, oxidized, strong sulphuric smell and possible fault @ 14.63m 14 14 16 16 GRAPHITIC SCHIST, dark grey 18 18 QUARTZITE, some quartz viens noted, oxidized, drak grey 20 20 22 GRAPHITIC SCHIST, dark grey, strong sulphuric smell @ 22 21.33m 24 24 26 26 Open QUARTZITE Open 28 28 GRAPHITIC SCHIST 30 30 32 32 QUARTZITE, oxidation and moderate sulphuric smell noted 34 from 32.92 to 35.97m 34 36 36 38 38 40 40 GRAPHITIC SCHIST, some Quartzite 42 42 44 44 46 46 QUARTZITE, some Graphitic Schist, moderate sulphuric 48 smell @ 47.55m. EOH @ 49.7m 48 50 50 NOTES: Well is 6 inches in diameter (ID). Grouted into bedrock, and open below. Well was developed and capped. Casing to QZ17-076 - YWB - January 29, 2018 5.18m bgs. EOH @ 49.68m.