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Previously exposed faults will continue to drip intermittently during-148~i4ine=--=-= plan projections are designed to avoid known structures which will diminish the fault controlled inflows. • No mining activities are scheduled near outcrop-burn areas, which will minimize inflow events due to these conditions. Small scale, persistent dripping inflow conditions are expected in the 8 North Submain during 1984. These conditions are the possible result of saturation of strata from the partially flooded Farmer's Mine. Colorado Westmoreland Inc. anticipates either draining the abandoned workinos or utilizing them as an auxi- liary Sump. No water rights adjacent to or within the permit area boundary are expected to be adversely impacted during 1984 by the mining process, based upon operating exper- ience. Mine ability conditions necessitated revising mine plan projections during July, 1983. These revisions diminished the applicability of subsidence monuments 201 through 224 (formerly the 5 North grid). Colorado Westmoreland Inc., under recommendation from the Division, emplaced two additional subsidence monitoring survey grids during the autumn of 1983 (refer to Map #28). Similar monument con- struction and timing precludes a seasonal verificaiton of potential frost heaving • of the monuments. Movement of the pre-existing monuments due to freeze-thaw con- ditions has been negligible and the new survey grid stations are not expected to be affected by frost heave. Monuments 42 through.51 were located to reflect maximum horizontal and vertical displacement over the 1 South and 2 South Panels off 1N-9E. Nn angle of draw may also be determined from this grid as the poor roof conditions encountered in the abandoned 9 East Submain may also be present over the South panel. Mining activities are scheduled for these sections during 1984 and 1985. Moni- toring of these monuments will continue until subsidence manifestations are com- plete (refer to subsidence profile 42-51). Surface impacts due to subsidence are expected to be negligible or nonexistent because the overburden thickness above the sears exceeds 1000 feet (U.S. D.O.I., October 1983). Monuments 29 through 41 were located to reflect maximum horizontal and vertical displacement over 3 North and 4 North Panels off the 8 North Submain. This grid will;@lso render a site specific angle of draw and any possible differential sub- sidence effects due to bedrock faulting. Overburden thickness of appror.imately 700 to 800 feet makes this grid more representative of much of the permit a~~ea • (refer to subsides^ce profile 29 through 41). i•lining activities inclusive c` pil- lar recovery are schedules during 1935 and 1995. ';onitoring will continue cntil subsidence effects are complete. -5-