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• The first and second half subsidence surveys for 2001, reviewing potential affects from mining of the 12 Rt panel, <br />disclosed no unusual developments during the reporting period. Subsidence magnitudes and projected draw <br />angles were within the anticipated ranges previously documented for the azea. Struchaes remained essentially <br />unaffected during the period with the exception of the predicted impacts to the Union Pacific Railroad and Routt <br />County Road No. 33. No adverse impacts, i.e. imminent failure of slruchne, were evident with regard to these <br />structures. 2001 subsidence ponding, overlying subsurface mined areas along Foidel Creek, was comparable to <br />that of the 2000 water year <br />18 <br />