My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
REP23356
DRMS
>
Back File Migration
>
Report
>
REP23356
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
8/24/2016 11:55:47 PM
Creation date
11/27/2007 3:41:03 AM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007
IBM Index Class Name
Report
Doc Date
1/30/2007
Doc Name
2006 Subsidence & Geologic Field Observation
From
Mountain Coal Company, LLC
To
DRMS
Permit Index Doc Type
Subsidence Report
Media Type
D
Archive
No
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
48
PDF
Print
Pages to print
Enter page numbers and/or page ranges separated by commas. For example, 1,3,5-12.
After downloading, print the document using a PDF reader (e.g. Adobe Reader).
View images
View plain text
2066 Subs~donce end Gaolog~c Fietd Observations <br />Box Canyon. West Hatiron. Apache Rocks. and South of Drvrtle Idining Areas <br />5.0 CONCLUSIONS <br />I. l he conceptual nuxlel ptr:ented in Exhibit 60 has been eerilied over the pall 11 years of <br />annual liehl ohsenations in the ~4'cst Elk A4mr area. -Chic busie concept comprises <br />Inngwull cxlraetiun and unttitrnt dowmt~arputg of the overhunlen materal us laterally <br />constrained multiple beams tin two dimensions or plat~w (ut three dimensir+ns). -this <br />concept :gq,lics in thr cunlinuuus .letium;di„n ;rod nrar .urt;tcr i,+nr .n discus,ed in <br />Ei~hihit htr, <br />l'ndor this coneupt of unilbmt IongwuU extraction and related uniti,mt downwarping of <br />the o~.:rhurden nuks and uncortsulidatc~l material as laterally conanincd pl:dc•,, cracks ut <br />onus under tensile arcs. narrow with depth..uu1 close at the neutral surl;rcc. E3elow the <br />neutral surtace• the tune ul tensile stress ^hnce the neutral surface Meeumes a lone of <br />cumpressi~e stress helots it. <br />831-032 750 Wright Water Engmears, Inc Pago 40 <br />Decombor ZOOG <br />I i¢urc 12 \1cw o(thr anmc landshd. a.:hnun m Figure 31. but taken m lul} 'au5 <br />
The URL can be used to link to this page
Your browser does not support the video tag.