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• <br />FIGURE 5A <br />NORTHERN TRAVERSE SUBSIDENCE PROFILE AT THE WEST ELK MINE <br />(WEST TO EAST) <br /> oW <br /> <br /> <br /> <br /> <br /> <br />.05 <br /> <br />0.01 _.. ..._.... .. _._......, ,.STRAIN AND CURVATURE <br />, <br /> <br />' <br />_____ <br />Curvature (C) i <br />' ~ ..... _......... <br />, <br /> <br />~ ~ ~ 0 0003 <br />, <br />~ ~ ~ 00002 <br />_________ ____________ _ _________ ____________ <br />0.0001 <br />0.0000 <br /> <br /> <br /> <br />, <br />, <br /> <br />_____________________ ' <br />~ ~ ~ •. ~ ~ ~ <br /> <br />____a____________~____________~______ _________~_________ <br />~__._ <br />i i i i i i <br />~ <br />L________ <br />___ <br /> <br />____i___ <br /> <br />_________i_________ <br />~ <br />___~___________ <br /> <br />_ <br />4.0001 <br /> <br /> <br />F <br />X <br />0.03 ~ <br /> <br />_____________________ ~ ~ ~ i <br />i r ~ <br />____________________________________________~____.________ <br />~_____________i_________ <br />~ <br /> <br />___,________ <br /> <br /> <br />___.___ ' <br />r <br /> <br />_________._________ ' <br />, <br /> <br />___.___________ <br /> <br />_ -0 0003 <br /> <br /> <br />0003 <br />w <br /> <br />~ <br /> <br />Spain (E) <br /> <br />' ~ ' <br />i <br />i <br />' -0. <br />= <br /> <br />X <br />a: <br />0.01 _______~_r________ ____i ~ _ <br />~_____________~____________ ~ ___._______ ~_____________~_ <br />_________ <br />r__ <br />__J ______ ~ <br />r <br />____ <br />r <br />r <br />; _ _ <br />__ ____ ___ <br />r <br />_ <br />-00000 <br /> <br />6 <br />~1 000 -00005 ~ <br /> i <br />, <br /> <br />-0.0006 U <br /> -0.Ot i ~ i <br />~_________ <br />i <br />___ <br />i <br />~ <br />~ <br />-00001 <br /> <br />A02 <br />__,_________)________ i i i <br />____i____________~_____________i.________________. _______ ~____________:_________. <br />___~________ i <br />____~___ <br />_________i_________ i <br />___~___________ <br />_ .0.0008 <br /> -0O3 ~ ~ ~ _ STRAIN ______ ___ ______ __ ____ ___ <br />' <br />_________ _________ <br />I <br />___ ___________ _ 'O.OOW <br /> +CURYATURE i -0.o0ro <br /> -0a <br />--~----- ~ ~ <br />~----'-- <br />---T-- <br />'-------~~-------- <br />-~-;-------- <br />- ~o.ao5t <br /> -0,~ <br />___. ....._......_ <br />..___..._. ,._....__..._.__.~.__.._.__.._._,__.__....__..__.__...__._.___._.._...._.__._.__~......___._._. <br />-__. __,_._...__.... __..,____ ......_......_,.._..._.._._.. _.__.__...__....___ .. -0.aou <br /> 0 500 1000 1500 2000 2500 3000 3500 ION 1500 5000 5500 6000 <br /> OI6TANCE FROM MONUMENT SO (FT) <br /> TILT <br /> .. .. ... .. . <br />... _~ <br />0055 _____ <br />____ ____ ____ ____ ____ <br />_ ______ _____ _ _____ ______ ______ <br />i <br /> <br />oas i i <br /> <br />_~ <br />____________~_______________________ ____________________________________________________~_____________~_____._______r____________~___________~____________ <br />I <br />Oo3s ___________' ~ ' <br />0.025 ____________~ __ ________ ___________i___ , , , , , <br />___________ ___r_ __________i ___________ <br />r- r r_ ~____________r_ <br />~oau ~ ~ ~ ; <br />____________~____________ ~.____.______l_____________'_____________ <br />________ _ ___________ ___________ <br />- r <br />- <br /> ~ <br />r <br />r T r <br />F <br />F <br />0 i <br />i <br />L <br />_ <br />_ <br />~ <br />0. <br />05 _____________ <br />__________ <br />_____._____ <br />___. <br />____ ___________ <br />____________ <br />____________ <br /> <br />~ ~ ___________J___________ ___________ ____________i ____________l ____________ <br />-0.005 ____________i_________________________i____________~____________~____________~~_ ~ _ ~_ <br />t <br />-0.015 ____________t_________________________a____________i____________ <br />i i ~ i <br />-0.035 ____________L_________________________a____________i_____.______~____________~____________~____________ ~____________ i_____________~____________i____________I <br />i <br />i <br />-0035 _._.. .~ ._._.. .._... _...... <br />_ __._ __ _ _ . _ ___ _._. _____ _ ,__ _, J <br />D 500 1000 1500 3000 2500 3000 3500 1000 1500 5000 5500 fiD00 <br />dSTANCE FROM MONUMENT SO IFTI <br />0 SU85 DENCE' <br /> ; <br /> <br />q I <br />_____.______~___ ' ' ' <br />___ ___ <br />2 ' ' _____ __ __ <br /> ____________~____________~_______ ____~____________ ___________i.___________ _____~____________1____._______'__._________ <br />~____________~_ ~ ___________~______ <br />c <br />i~ <br />~ i i i i i <br />W <br />i i i i i i i <br />V <br /> <br />_ i i <br /> <br />~____________~_____________~.___________~____________~____ _______~____________~____._______~__._________ <br />_ ~____________I __________ _r.__________ <br />pmt i i i i i i <br />% <br />r ~ r ~ r <br />r <br />~ ~ ~ ~ i i <br />5 <br /> i <br />r __ ___ __ __ __ <br />i i i i <br />i <br /> <br /> <br />T <br />i i i i i <br />i i i ~ ~ <br />' ' ' '__ _________ ____________ ____________ <br />' ' ~ 1 ~ ___________~ ___________~____________~ <br /> <br /> <br /> <br />g i i i i <br />i i i i i <br />i ' <br />_ _.._.__.__.._.__.._._.......___..._...._.........._....._...__.._........__ <br /> 0 500 1000 1500 2000 3500 ?000 3300 1000 1500 5000 5500 60 00 <br /> dSTAMCE FROM MONUMENT 9a IFT) <br /> <br /> PRE-071NIND ELEVATN)rIr <br />8000 .. .. .... ~. .... .. _r .. _....._.~ ..___... .,__ ...__._.. _.__......._.., ..__.... ........._.. ~. .__...._.. ._._. ... ......_ ... _.. ...... <br /> <br />7900 , <br /> <br />_____________~____________,_____________~____________I <br />__________________ ____________________________________________________________________________________ ~ <br /> <br />w)>600 <br /> <br /> <br />W i <br />, ~ i i ~ ~ i ~ ; 1 <br /> <br />r_ r____________~_ ~_____________~_____________~ __________J__ <br />____________r___________ _____________ ___________ ___________~____________ ___________~____________~ <br />I - <br />W <br />i i i ~ i i i i <br /> <br />i i i <br />i i i ~ i i ~ ' <br />wnoD i i . <br />-----'-----'---------- ~ ~ , <br /> <br /> , ~ , <br />' <br />x600 . <br />--'------------ '------------'------------1------'----- '-----------'- --------- <br />----'----`-----------`------------'--------- ~__ <br /> <br /> I <br />~rsoo ~ ' <br />• ~--------~ ' -------------"--------- <br />W <br />FI00 ~ ~----'------------'------------'--------~--' '----- <br />-_ <br /> PANEL 1NW <br /> <br /> <br />]300 <br />0 500 1000 7500 2000 2500 3000 3500 1000 1500 3000 5500 6000 <br />dSTANCE FROM MONUMENT 80IFT) <br />D W1-0lS1]OFnNlM,51pElWptl]xi[~NdN~AEPTN)t <br />r Subsidence amount plotted as diRerence between June 1992 baseline and October 1994 observed subsidence; <br />F-Seam mining was completed in this area in April 1989. <br />2 Mine workings are shown schematicalty, not at true elevation or dip angle <br /> <br />