2013-09-27_REPORT - C1980007 ‎(4)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 9/27/2013
• Doc Name: Spring 2013 Subsidence Monitoring Report
• From: Wright Water Engineers, Inc
• To: DRMS
• Permit Index Doc Type: Subsidence Report
• Email Name: JRS
• Email Name: DIH
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page
1.0
SUMMARY OF FINDINGS ................................................................ ..............................1
2.0
SUBSIDENCE PREDICTION AND MONITORING ........................... ..............................3
2.1
Monument Dam /Minnesota Reservoir Monitoring Data ........................ ..............................4
3.0
OVERVIEW OF SPRING 2013 FIELD STUDIES .............................. ..............................6
4.0
TRAVERSES AND OBSERVATIONS IN THE
SOD
AND DRY FORK MINING AREAS ........................................... ..............................8
4.1
Traverse A- A ........................................................................................................................
8
4.2
Traverse B- B ........................................................................................................................
9
4.3
Traverse C -C' ........................................................................................ ..............................9
4.3.1 Location 1 .......................................................................... .............................11
4.3.2 Location 2 .......................................................................... .............................12
4.3.3 Location 3 .......................................................................... .............................13
4.4
Photographic Observation Point 1 ........................................................ .............................13
4.5
Traverse D -D' ....................................................................................... .............................14
4.6
Traverse E- E ......................................................................................................................
15
4.6.1 Location 4 .......................................................................... .............................16
4.6.2 Location 5 .......................................................................... .............................17
4.6.3 Location 6 .......................................................................... .............................18
4.7
Traverse F -F ......................................................................................................................
20
4.7.1 Location 7 .......................................................................... .............................20
4.8
Photographic Observation Point 2 ........................................................ .............................21
4.9
Photographic Observation Point 3 ........................................................ .............................22
4.10
Traverse G- G .....................................................................................................................
22
4.11
Photographic Observation Point 4 ........................................................ .............................23
4.12
Photographic Observation Point 5 ........................................................ .............................23
4.13
Traverse H -H' ....................................................................................... .............................25
4.14
Traverse 1 -1' .......................................................................................... .............................25
4.14.1 Location 8 .......................................................................... .............................26
4.14.2 Location 9 .......................................................................... .............................28
4.14.3 Location 10 ........................................................................ .............................30
4.15
Photographic Observation Point 6 ........................................................ .............................30
4.16
Photographic Observation Point 7 ........................................................ .............................31
5.0
CONCLUSIONS ............................................................................... .............................33
6.0
BIBLIOGRAPHY .............................................................................. .............................36