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• Mined Land Reclamation C December 22, 19 :: <br />irur Primary cont.ro] loop traverse= throutat~ the following suh- <br />sidence stations: <br />Sequence of Survey: <br />D-11-U - Cori t.r-ol <br />UT2 <br />L14 <br />UI <br />U3 <br />U2 <br />US <br />U'a <br />LtAl <br />U~; <br />D-12-U - Cor~tr-ol <br />Ttie following st.at.ior~s ar-e moriit.or-ed by sidest~ot.s, angles grid <br />distar~ce- <br /> <br />U7 1 <br />UIO <br />U11 <br />U~1 <br />U~2 <br />Ttre surveys we performed ar-e a second order-, Class II Survey <br />using a 1-second th~eodolit.e and elect.r-or~ic dist.ar~ce meter-- <br />Elevations are obtained try tr-igor~ometr-y- Closure r~ecessar-y for- <br />t.Fiis clzss survey is 1 part. ire 2D,000_ We Have had closures bet- <br />ter- than 1 part iri 100,000. <br />Following in Table T is a list of tt~e stations iri the main sutr- <br />sidence loop with their coordinates grid elevations from August, <br />1985, through November-, 1968 and the resulting mean values: <br />• <br />~At the time of the June, 1986 survey Ute Engineering discovered <br />ghat the U7 monument had been disturbed by the spring t.haw- <br />