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Rio Tinto Energy America - Colowyo Mine Page 529 of 1194 <br />395.55 <br />398.15 <br />2.60 <br />mudstone <br />dark <br />grey <br />398.15 <br />401.45 <br />3.30 interbedded <br />siltstone /mudstone <br />401.45 <br />404.35 <br />2.90 <br />siltstone <br />light <br />grey <br />404.35 <br />409.15 <br />4.80 <br />sandstone <br />medium <br />grey <br />409.15 <br />411.00 <br />1.85 <br />siltstone /mudstone <br />411.00 <br />416.10 <br />GB <br />5.10 <br />coal <br />black <br />416.10 <br />416.30 <br />GB <br />0.20 <br />tuff /tonstien <br />416.30 <br />418.95 <br />GB <br />2.65 <br />coal <br />black <br />418.95 <br />422.10 <br />3.15 <br />siltstone /mudstone <br />422.10 <br />440.00 <br />17.90 <br />sandstone <br />light <br />grey <br />440.00 <br />447.30 <br />7.30 <br />mudstone /siltstone <br />dark <br />grey <br />447.30 <br />468.00 <br />20.70 <br />sandstone <br />light <br />grey <br />468.00 <br />472.95 <br />GC <br />4.95 <br />coal <br />black <br />472.95 <br />473.95 <br />1.00 <br />carbonaceous mudston <br />473.95 <br />476.05 <br />HO <br />2.10 <br />coal <br />black <br />476.05 <br />478.95 <br />2.90 <br />carbonaceous mudston <br />• <br />478.95 <br />479.65 <br />0.70 <br />siltstone <br />479.65 <br />489.00 <br />9.35 <br />mudstone <br />dark <br />grey <br />489.00 <br />499.30 <br />10.30 interbedded <br />mudstone /sandstone <br />499.30 <br />503.10 <br />3.80 <br />mudstone <br />dark <br />grey <br />503.10 <br />534.50 <br />31.40 <br />sandstone <br />medium <br />grey <br />534.50 <br />545.20 <br />10.70 interbedded <br />sandstone /mudstone <br />545.20 <br />546.00 <br />H6 <br />0.80 <br />coal <br />black <br />546.00 <br />550.50 <br />4.50 interbedded <br />sandstone /mudstone <br />550.50 <br />554.00 <br />3.50 <br />sandstone <br />light <br />grey <br />554.00 <br />564.00 <br />10.00 <br />mudstone /siltstone <br />dark <br />grey <br />564.00 <br />564.50 <br />H8 <br />0.50 <br />rashy coal <br />black <br />564.50 <br />571.35 <br />H8 <br />6.85 <br />coal <br />571.35 <br />571.85 <br />H8 <br />0.50 <br />rashy coal <br />571.85 <br />572.45 <br />0.60 <br />carbonaceous mudston <br />572.45 <br />578.20 <br />5.75 <br />mudstone <br />dark <br />grey <br />578.20 <br />579.60 <br />1.40 <br />sandstone <br />579.60 <br />582.20 <br />2.60 <br />mudstone <br />dark <br />grey <br />582.20 <br />594.30 <br />12.10 <br />sandstone <br />light <br />grey <br />594.30 <br />600.50 <br />13 <br />6.20 <br />coal <br />black <br />600.50 <br />602.10 <br />1.60 <br />carbonaceous mudston <br />602.10 <br />606.80 <br />15 <br />4.70 <br />coal <br />black <br />606.80 <br />607.30 <br />15 <br />0.50 <br />rashy coal <br />Rio Tinto Energy America - Colowyo Mine Page 529 of 1194 <br />