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RETURN AIR <br />75'-1001 <br />22' MAXIMUM <br />RETURN AIR <br />75� -100 75-100 <br />� I <br />� I <br />GRADE 4%-5% --- -� <br />MINING HEIGHT <br />8 13' �_ <br />INTAKE AIR BELT E <br />75'- 100 1 <br />d <br />MINING HEIGHT <br />81 -13' - -z_ <br />BELT ENTRY <br />TYPICAL FIVE ENTRY SYSTEM <br />75' -100' <br />TYPICAL THREE ENTRY SYSTEM <br />I <br />I <br />IT <br />GRADE 4 % -50/d--m, <br />CAMEO SEAM <br />75'-100' <br />I <br />CAMEO SEAM <br />E AIR <br />I RETURN AIR <br />NOTES: <br />I. Orientation of belt entry and airways <br />may vary with conditions and test <br />work associated with mining. <br />2. The location of the entries within <br />the 22' cameo seam will vary with <br />coal quality, roof condition and <br />operational considerations. <br />3. The 75' to 100' spacing between entries <br />will vary depending on mining conditions <br />encountered and the testing program <br />requirements. Crosscuts will also be <br />spaced on 75' to 100' centers. <br />I <br />INTAKE AIR <br />PREPARED UNDER THE SUPERVISION OF <br />REGISTERED PROFESSIONAL ENG I N L wr; <br />COLORADO CERTIFICATE No. 17030 <br />Signature - - - -- -- <br />W. A. ANDERSON <br />Permit Number <br />Class'. ermir _ <br />_.2, J _ _.3_._._._.- <br />j Class: O Revision ,� <br />Type /SeQ: ._-_'--- '-------- _--- _--- _--- _ - - -_ <br />Cl -_ <br />ass: ❑ Report <br />❑ Hydro eeral <br />Doc Type: - -- "__— .-- '-- --- --' —"_ <br />❑Application (Coal only 0 Bond ❑Enforcement ❑Inspection <br />LOMA COAL PROSPECT <br />MUNGER CANYON <br />ARFIELD COUNTY, COLORADO <br />t PIENTRY SYSTEMS- <br />CAL CROSS CROSS SECTIONS <br />FIGURE 2.1- 3 <br />I illlil IIIII IIIII IIIII IIIII IIIII IIII IIII <br />° <br />002,26 <br />Scole= I =20� <br />0 20 40 60ft. <br />I I- i 1 <br />September, 1979 <br />rrP <br />