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Fall 2008 Subsidence and Geologic Field Observations <br />Box Canyon, Apache Rocks, and South of Divide Mining Areas <br /> <br />w ?? . <br />J??{??,?1 ? ,??11ljr+""?l?N?,,?.•?y ? ?.? ??}Y+?,??ra: .!mow.,` 4~?- <br />?,?,,.` <br />i?J1~ '? + r0? rs1 ray r ` qt r? K <br />A?f?/? Y],'`t? - , Ij7??' j'.tL? y t?.• ?a?; ?_ ? ? ? ?` ." ' y??T• tt . .??.ti .'1 T'r? ; ? .,? <br />Figure 48. Eastward to southeastward view of a series of outcropping sandstone units on the east <br />side of Box Canyon near its confluence with the North Fork as observed during June 2008. <br />Figure 48 is a photograph of' the same sandstone units taken in October 2008 after lon,,,N all <br />nunlrlg had occurred beneath this area. Field observations and a comparison of Figures 48 and <br />49 reveal no fresh OLltcrop surfaces indicating no changes as a reSLllt of the mining activltics. <br />\\ hich passed beneath this area between .[Lune and October 2008. <br />• <br />831-032.790 Wright Water Engineers, Inc. Page 62 <br />December 2008 <br />Figure 49. October 2008 eastward to southeastward view of the same series of outcropping <br />sandstone units on the east side of Box Canyon after longwall mining was completed beneath the <br />area