2015-03-17_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 3/17/2015
• From: Wright Water Engineers, Inc
• To: DRMS
• Annual Report Year: 2014
• Permit Index Doc Type: Subsidence Report
• Email Name: JRS
• Email Name: MPB
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page
1.0
INTRODUCTION ............................................................................... ..............................3
2.0
SUMMARY OF FALL 2014 FIELD STUDIES ................................... ..............................5
3.0
TRAVERSES AND OBSERVATIONS IN THE SOD AND DRY FORK MINING AREAS 6
3.1
Traverses A -A' and B -B' ........................................................................ ..............................6
3.2
Traverse C -C' ........................................................................................ ..............................6
3.3
Photographic Observation Point 1 ......................................................... ..............................8
3.4
Traverse D -D' ........................................................................................ ..............................9
3.5
Traverse E- E ........................................................................................................................
9
3.5.1 Location 1 ........................................................................... ..............................9
3.6
Traverse F -F ......................................................................................................................
10
3.7
Photographic Observation Point 2 ........................................................ .............................13
3.8
Photographic Observation Point 3 ........................................................ .............................13
3.9
Traverse G -G .....................................................................................................................
14
3.10
Photographic Observation Point 4 ........................................................ .............................14
3.11
Traverse H -H' ....................................................................................... .............................14
3.12
Traverse 1 -1' .......................................................................................... .............................15
3.12.1 Location 2 .......................................................................... .............................16
3.13
Photographic Observation Point 5 ........................................................ .............................17
3.14
Photographic Observation Point 6 ........................................................ .............................17
3.15
Traverse J -J .......................................................................................................................
18
3.15.1 Location 3 .......................................................................... .............................19
3.15.2 Location 4 .......................................................................... .............................20
4.0
OTHER SUBSIDENCE - RELATED DATA ........................................ .............................22
4.1
Monument Dam /Minnesota Reservoir Monitoring Data ....................... .............................22
4.2
Monument Dam /Minnesota Reservoir Aerial Photograph Comparison ............................23
4.3
U.S. Forest Service Water Resources Survey ..................................... .............................24