2012-02-28_REVISION - M1980244 ‎(71)‎

• Permit No: M1980244
• IBM Index Class Name: REVISION
• Doc Date: 2/28/2012
• Doc Name: VOL 5, Appendix D: Assessment of Underground Workings within Limits of Valley Leasch Facility
• From: CC&V
• To: DRMS
• Type & Sequence: AM10
• Email Name: TC1
• Media Type: D
• Archive: No

Surface
Disturbance
ID
GPS
ID
Date
Observed
Visually
Northing
(6)
Easting
Type of Disturbance
Timbers
Present
Development
Rock Pile Size
Photo
Log ID
Comments
UN -275
1096
11/17/2006
55344.6
35861.0
TP /SM
Ext. 10'
15' dia., 7' deep
UN -276
1097
11/17/2006
55351.0
35937.1
Level Platform
10' x 20' x 4' - 5' cut (uphill) and fill (downhill)
P -UN -2
1098
11/17/2006
55442.1
35970.1
CS
X
5' x 10'
1404
Building remains present?
PP -UN -1
1099
11/17/2006
55490.0
35770.1
TP /SM
Ext. 10'
15' dia., 6' deep
PP -UN -2
1100
11/17/2006
55538.6
35779.4
TP /SM
2 TP /SM, largest is 20' x 8' x 5' deep, trends N
UN -277
1101
11/17/2006
55589.8
34837.3
TP /SM
10' dia., 4' deep
Bluebell
1102
11/17/2006
55369.9
34481.4
Adit
30' x 15'
1405
Trends N, 5' x 5' wide
BB -UN -1
1103
11/17/2006
55351.6
34448.2
TP /SM
Ext. 10'
8' dia., 3' deep
UN -278
1104
11/17/2006
55144.4
34253.9
Open Shaft
30' x 50'
1406
Capped with steel grate
UN -279
1105
11/17/2006
54889.3
34245.3
Adit
40' x 15'
1407
Partially walled off with rock, trends N, 4' x 5' wide
UN -280
1106
11/17/2006
54804.1
34183.7
TP
15' x 5' x 2' deep
UN -281
1107
11/17/2006
54408.5
33947.3
Trench/Collapsed Adit
35' x 15'
2 features. Trend SSE
UN -282
1108
11/17/2006
54396.9
34104.3
Trench/Collapsed Adit
40' x 30'
Trends SSW
UN -283
1109
11/17/2006
54446.2
34299.2
Y??
30' x 10'
No obvious, nearby source of WR
UN -284
1110
11/17/2006
54434.2
34351.6
CS /SM
Ext. 15'
10' dia., 6' deep. Small TP 20' upslope
UN -285
1111
11/17/2006
54325.1
34399.5
TP /SM
10' dia., 4' deep
UN -286
1112
11/17/2006
54349.5
34428.0
Trench
Trends NW, at least 60' long, 8' wide x 4' deep
UN-287
1113
11/17/2006
54368.0
34527.8
TP /SM
Ext. 15'
15' dia., 7' deep
UN -288
1114
11/17/2006
54483.4
34532.2
TP /SM
2 TP /SM, largest 15' x 5' x 3' deep
M -UN -4
1115
11/17/2006
54538.7
34703.2
Trench/Collapsed Adit
30' x 15'
Trends E
Bluebell
407
11/17/2006
55479.3
34504.8
Adit
Capped with steel grate, trends NNW
UN -289
421
11/17/2006
54821.3
33907.8
Adit
Capped with steel grate, trends NW
TABLE 1 - SURFACE RECONNAISSANCE SUMMARY TABLE
(1) BR is used as an abbreviation for "Bedrock"
(2) SW is used as an abbreviation for "Surface Working"
(3) Ext. 10' indicates that the development rock pile extends 10' from the edge of the excavation. In general, most development rock piles are conical in shape and slope at or near
the angle of repose from the top of the excavation to natural grades.
(4) TP is used as an abbreviation for "Test Pit"
(5) "Small TP" refers to any test pit less than or equal to 5' diameter and less than or equal to 3' deep
(6) Mine system coordinates given. Coordinates obtained in the field with a handheld GPS unit.
(7) WR is used as an abbreviation for "Waste Rock" (development rock)
(8) CS is used as an abbreviation for "Collapsed Shaft"
February 2007
1:106\2140\ 0400\ PhlHistWorkings- Fn1- 07Feb07\Tabk] xls
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Golder Associates
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