My WebLink
|
Help
|
About
|
Sign Out
Home
Browse
Search
2001-12-11_PERMIT FILE - C1980007A (2)
DRMS
>
Day Forward
>
Permit File
>
Coal
>
C1980007
>
2001-12-11_PERMIT FILE - C1980007A (2)
Metadata
Thumbnails
Annotations
Entry Properties
Last modified
12/17/2018 7:22:05 AM
Creation date
11/20/2007 3:12:21 PM
Metadata
Fields
Template:
DRMS Permit Index
Permit No
C1980007A
IBM Index Class Name
Permit File
Doc Date
12/11/2001
Doc Name
By TOC Deleted
Section_Exhibit Name
Exhibit 40 Geotechnical Analysis B & F Seams
Media Type
D
Archive
Yes
There are no annotations on this page.
Document management portal powered by Laserfiche WebLink 9 © 1998-2015
Laserfiche.
All rights reserved.
/
63
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
<br />April 1989 <br />TABLE 3.4.A,7 <br />RESOURCE RECOVERY, GROUND CONDITIONS AND SURFACE <br />IMPACT FOR ASCENDING AND DESCENDING MINING <br />SEQUENCES FOR AREA III <br /> <br />• <br /> TYPE SEAM RESOURCE GROUND SURFACE <br />MINING OF SEQUENCE RECOVERY CONTROL IMPACT <br />SEQUENCE CAVING (%) <br />Asceiidinq Full/ B 83 Exce.ller~t Minimal <br /> Lo <br />all - -- <br /> ugw <br /> E 76 Marginal Moderate <br /> F 74 Difficult Excessive <br /> Aver age 78 <br /> Fart?.al/ B 55 Excellent Minimal <br /> Room and <br /> Pillar <br /> E 27 Acceptable Minimal <br />' F 10 Marginal Minimal <br /> Average 50.3 <br />Descending Fu11/ F 86 Marginal Minimal <br /> Longwall <br /> E 83 Marginal Excessive <br /> B 76 Er.cel.l.ent Severe <br /> Average 81.1 <br /> Partial/ F 74 Marginal Moderate <br /> Room and <br /> Pillar -- - <br /> ' E 61 .Marginal Moderate <br /> B 24 Cood Moderate <br />- - - Average 51.1 <br />
The URL can be used to link to this page
Your browser does not support the video tag.