APPCOR10440

• Permit No: C1987072
• IBM Index Class Name: Application Correspondence
• Doc Name: Portion of PAP
• Media Type: D
• Archive: No

the steep outcrop of the c~~al, with the development of
portals into the coal seam.
The result of this method ~~f extr•actir~g coal is the
devel~~prner~t .f 6er~ches, r•r_~ads ar~d ~~ther si_rr•face ~~per•ati~.rr
facilities iri the somewhat steep top~~gr•aphy. The portal
areas ~.rsed by the La F'la'ta #1 have been c~ ~nstri_icted t'rom the
spr_~il r•ernoved frc~rn the face-~_ip areas. The ~_rse .f spoil ire
cor~str~actir~y a stable till ire the p~:~rtal areas red~.rces the
'~
vol~_rme _~f material removed from the face. Hence there is ~`
j
less dist~_rrbar~ce t_~ the affected s~.rrface area. Reclarnatio~n
..f these areas t_~ the elirnir~ati~~r~ ~~f the face-~_rp or highwall \~
co~.rld be errnr•-~r.rnentally !ir~s~~~ar~d ar~d c~_~~_rnterprod~.rctive to
reclamation req~_ur-ernents.
Complete elirnir~ation ..f a "highwall" in an area with averaye
slopes greater char ~U degrees by back.ftilling to the angle
of r•ep_~se c~=~~_ild create several pr•oblerns. Wir~ter• sr~r_~w melt
~~r ir~ter~se sllrOme'r` t~lllnde'r• •~howers c~.~_rld res~_rlt .in excessive
erc~si~~r~ ~~r~ the steep sly=apes. M:rr-e~~ver•, the static safety
fact_~r• :,f 1.' w~~uld be diffic~.rlt t~~ achieve. Or. the ~~ther•
hand, backfillir~g tc~ a lessee angle, s~_rcl~ as ~ h_~r•i~r_~r~tal to
1 vertical ~~r• hc~r•i~or~tal t~~ 1 vertical, wo~_rld be
impractical beca~_rse there would not be eno~_rgh material fr•orn
'the ~~r•igir~al c~_rt t_~ achieve the desired slc~pe. Rr~ attempt
to reduce the fare c~.rt by blasting material from above the
c~_it wo~.rld probably ca~.rse s1~.vnpiny of material from the
er~tir•e height cif the area. Ha~.rl ir~g the needed backfill
c. ir5-3E