2014-01-31_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 1/31/2014
• Doc Name: Fall 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
INTRODUCTION ............................................................................... ..............................1
2.0
SUMMARY OF FALL 2013 FIELD STUDIES ................................... ..............................3
3.0
TRAVERSES AND OBSERVATIONS IN THE SOD AND DRY FORK MINING AREAS
5
3.1
Traverses A -A' and B -B' ........................................................................ ..............................5
3.2
Traverse C -C' ........................................................................................ ..............................5
3.5
Traverse D -D' ....................................................................................... .............................10
3.6
Traverse E- E ......................................................................................................................
10
3.7
Traverse F -F ......................................................................................................................
11
3.7.1 Location 1 .......................................................................... .............................12
3.7.2 Location 2 .......................................................................... .............................14
3.7.2 Location 3 .......................................................................... .............................16
3.8
Photographic Observation Point 2 ........................................................ .............................17
3.9
Photographic Observation Point 3 ........................................................ .............................18
3.10
Traverse G- G .....................................................................................................................
20
3.11
Photographic Observation Point 4 ........................................................ .............................20
3.12
Photographic Observation Point 5 ........................................................ .............................20
3.13
Traverse H -H' ....................................................................................... .............................20
3.14
Traverse 1 -1' .......................................................................................... .............................21
3.14.1 Location 4 .......................................................................... .............................21
3.15
Photographic Observation Point 6 ........................................................ .............................22
3.16
Photographic Observation Point 7 ........................................................ .............................23
3.17
Traverse J- J .......................................................................................................................
23
4.0
OTHER SUBSIDENCE - RELATED DATA ........................................ .............................25
4.1
Monument Dam /Minnesota Reservoir Monitoring Data ....................... .............................25
4.2
Monument Dam /Minnesota Reservoir Aerial Photograph Comparison ............................26
4.3
U.S. Forest Service Water Resources Survey ..................................... .............................27
4.4
Subsidence Monitoring of the Dry Fork Road, Channel, and Water Monitoring
and
Conveyance Structures ........................................................................ .............................27