2011-04-11_REPORT - C1980007 ‎(9)‎

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 4/11/2011
• Doc Name: 2010 Subsidence Report
• From: Wright Water Engineers, Inc
• To: DRMS
• Permit Index Doc Type: Subsidence Report
• Email Name: TAK
• Media Type: D
• Archive: No

TABLE OF CONTENTS
Page
• 1.0 INTRODUCTION .............................................................................................................1
2.0 OVERVIEW OF FALL 2010 FIELD STUDIES ............................................................... ..3
3.0 TRAVERSES AND OBSERVATIONS IN THE BOX CANYON, APACHE ROCKS, AND
SOD MINING AREAS ................................................................................................... ..5
3.1 Traverse A-A' Through H-H............................................................................................... .. 5
3.2 Traverse 1-1' ....................................................................................................................... ..6
3.2.1 Location 1 ........................................................................................................ ..6
3.3 Traverse J-J....................................................................................................................... .. 8
3.3.1 Location 2 ........................................................................................................ ..9
3.4 Traverse K-K...................................................................................................................... 12
3.4.1 Photographic Observation Point 12 ................................................................. 13
3.4.1 Photographic Observation Point 13 ................................................................. 15
3.4.3 Location 3 ........................................................................................................ 17
3.5 Traverse L-L' ..................................................................................................................... 18
3.5.1 Location 4 ........................................................................................................ 19
3.5.2 Location 5 ........................................................................................................ 21
3.6 Traverse L1-L1' ................................................................................................................. 22
3.6.1 Location 6 ........................................................................................................ 23
3.6.2 Location 7 ........................................................................................................ 24
3.6.3 Location 8 ........................................................................................................ 26
3.7 Photographic Observation Points 4, 5 and 6 ..................................................................... 28
3.8 Photographic Observation Point 7 ..................................................................:.................. 28
3.9 Photographic Observation Point 9 ..................................................................................... 31
3.10 Photographic Observation Point 11 ................................................................................... 31
3.11 Traverse M-M' ................................................................................................................... 31
3.12 Traverse N-N' .................................................................................................................... 31
3.13 Traverse O-O..................................................................................................................... 32
4.0 OTHER SUBSIDENCE-RELATED DATA ..................................................................... 33
4.1 Monument Dam/Minnesota Reservoir Monitoring Data .................................................... 33
4.2 Monument Dam/Minnesota Reservoir Aerial Photograph Comparison ............................. 35
4.3 U.S. Forest Service Water Resources Survey .................................................................. 35
4.4 Subsidence Monitoring of the Dry Fork of Minnesota Creek and Water Monitoring a nd
Conveyance Structures ..................................................................................................... 36
4.5 Lower Cow Camp .............................................................................................................. 36