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Mining <br />~ Exploration <br />Engineering <br /> <br />O1hce 303 247-0118 <br />FRED M. JOHNSON,c.P.o. Residence 247-3560 <br />GEOLOGIST <br />a. o eox zf sz <br />DURANGO. COLORADO 61301 <br />June 20, 1983 <br /> <br />T0: National King Coal, Inc. <br />SUBJECT: Quarterly Subsidence Monitoring, Second quarter 19$3 <br />1) The second quarterly visual inspection for subsidence, King Coal 141ne, <br />La Plata County, Colorado was made on June 10, 1983. <br />2) No evidence of subsidence is apparent. <br />The surface area above both old workings and the new lease area was <br />inspected on June 10, 1983. 47eather was cloudy and warm. The surface was <br />inspected for evidence of slump, subsidence, cracks in bedrock, vegetation <br />damage and water infiltration. Pio evidence of subsidence was apparent, The <br />purpose of this inspection was to meet requirements established by the Colo- <br />rado i9ined Land Reclamation Division for quarterly visual monitoring for <br />subidence, ' <br />-"Fred M. Jo 6 n, C,P,G, <br /> <br /> <br />