2016-04-19_REPORT - C1980007 ‎(6)‎

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 4/19/2016
• Doc Name: 2015 Subsidence Report
• From: Wright Water Engineers, Inc
• To: DRMS
• Annual Report Year: 2015
• Permit Index Doc Type: Subsidence Report
• Email Name: LDS
• Email Name: JRS
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page
1.0 INTRODUCTION.............................................................................................................1
2.0 SUMMARY OF FALL 2015 FIELD STUDIES..................................................................3
3.0 TRAVERSES AND OBSERVATIONS IN THE SOD AND DRY FORK MINING AREAS 4
3.1
Traverses A -A' and B-B.......................................................................................................
4
3.2
Traverse C-C.......................................................................................................................
4
3.3
Photographic Observation Point 1......................................................................................
5
3.4
Traverse D-D.......................................................................................................................
6
3.5
Traverse E-E'......................................................................................................................
6
3.6
Traverse F-F........................................................................................................................
6
3.6.1 Location 1.........................................................................................................8
3.7
Photographic Observation Point 2......................................................................................
9
3.8
Photographic Observation Point 3......................................................................................
9
3.9
Traverse G-G.....................................................................................................................
10
3.10
Photographic Observation Point 4....................................................................................
10
3.11
Traverse H-H.....................................................................................................................
10
3.11.1 Location 2.......................................................................................................
11
3.12
Traverse 1-1'.......................................................................................................................
12
3.12.1 Location 3.......................................................................................................
13
3.12.2 Location 4.......................................................................................................
14
3.12.3 Location 5.......................................................................................................
15
3.12.4 Location 6.......................................................................................................
17
3.13
Photographic Observation Point 5....................................................................................
18
3.14
Photographic Observation Point 6....................................................................................
18
3.15
Traverse J-J'.....................................................................................................................
18
3.15.1 Location 7.......................................................................................................
19
3.15.2 Location 8.......................................................................................................
21
4.0 OTHER SUBSIDENCE -RELATED DATA.....................................................................23
4.1 Monument Dam/Minnesota Reservoir Monitoring Data....................................................23
4.2 Monument Dam/Minnesota Reservoir Aerial Photograph Comparison ............................ 24
4.3 U.S. Forest Service Water Resources Survey.................................................................. 25