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W o o 7880 7920 8000. <br /> Parcel boundary o o C 7840 8000 7 0 78 <br /> F330 EET 0 330 660 990 1320 330 0 330 660 990 1320 0 oAKBRUSH HILL GRAVEL ACROSS-SECTION <br /> FEET <br /> 10-FMT / 410-1`030T C®NTEDURS TN/GB/NB <br /> 10-FOOT / 40-FOOT CONTOURS TN/GB/NB <br /> PermitC� <br /> max affected land <br /> • Green - contours and <br /> vegetation essentially <br /> unchanged. Blue: post <br /> '`�► reclamation contours in <br /> "�'• grass <br /> rn t,, N 1 <br /> � �9Rir;lhl�lL+SI�a�IN�3 SL1R <br /> l=A�CEN2 <br /> Permit Permit <br /> o �� e •�'� o Area <br /> .� Area ti Q <br /> ° 167. 2 ° 167.2 <br /> acres �. acres �° a ins <br /> o g ass <br /> `P-7840 <br /> a e t p st- i g <br /> tn <br /> O� A r r <br /> 1 ... � r <br /> Parcel boundary <br /> �" • Phase 3 Yrs 17-20 <br /> . t <br /> m <br /> L •�. Phase 4 Yrs 20+ if <br /> ��3t1► iN,�i i� c�l��+IL3 suRF,�cl <br /> C2 <br /> CU <br /> m count <br /> allowed by Y <br /> 0 <br /> r a e post-mining <br /> -5 C Plant area at end Of ro ds hown in red <br /> operations (20+ yrs) s bject to final <br /> � <br /> ndo er proval, and <br /> to eet County <br /> standards. <br /> Indeterminate timing , to ' <br /> be done with adjacent �,'� roposed <br /> r <br /> �flRiG�NA Gl ?UQ€2 <br /> SURFACE , <br /> Years 3-16 Sequence of <br /> o st-mining <br /> reclamation for <br /> .. . : ��r�� <br /> Oakbrush Hill . <br /> � 8 0 0 topography � �� ���� <br /> _/_J 1 0-ft contours <br /> 7920 78 0 of Rw <br /> 7880 and SateW <br /> Note: There are minor discrepancies on some maps on this sheet, due to <br /> different basis of bearings and different orthoprojections used in the different <br /> layers. Actual benchmarks and monuments will be used to locate and place <br /> perimeter markers during mining operations. <br /> The configuration shown on this plan is subject to change, primarily due to <br /> No surface discharge of stormwater or sediments is planned or proposed . uncertainty regarding the depth of the deposit (depth to the underlying shale <br /> Factor of safetyfor 100- ear storm event is at least 5 plus freeboard . below the alluvium and colluvium, as well as quality of various parts of the <br /> Y <br /> deposit. <br /> The precise configuration of the post-mining area used for Dutton Ranch <br /> OBJECTIVE:To prevent surface dis6arge,sedimentafion,.and C EllA activities after reclamation may be different than that used during mining <br /> maximize salvage and production, <br /> Before mining. E D p <br /> o erations. <br /> A Mark Per #boundary line <br /> B Gut swat;(2 ft w, 1 ft deep)2 R behind permit line and place in pile <br /> c Strip soil( in)and place in pile a with slopes 2:1 outside, 1 m 1 inside <br /> E Strip overburden(OB)(33 in),place in pile El <br /> F Mire to maximum worWng face(20v l H) H <br /> After mining: <br /> G Move oB from Ole E1 and G to place on floor of pit and bajill G1 to <br /> 1 dope <br /> Sheet F- 1 Reclamation Plan <br /> H Use alluvium from H to supplement baddiill or for processing <br /> l Move sail from pile o(and below it)to place on cut and fill slope and Signature O a kb riu sh Hill Gravel <br /> floor+ofpit C & J Gravel Products, Inc. - Archuleta County, CO <br /> n" a. Scale as shown <br /> J Firma grading top of and relocate remaining OB and alluvium feet �`�Q REG 'fir <br /> next area tang reclaimed <br /> l Pia e l top of graded slope and fate plan_ 2 feet <br /> �P.............•%ST;fir <br /> o;. A • F8, Prepared for Archuleta County Development and <br /> �� <br /> Colorado Division of Reclamation Mining & Safety <br /> p; <br /> ' ¢ zI = <br /> �_ •_. 2.. . ; .. <br /> _ t Drawn by N. A. Barton, T. Nintrup, and G. A. Barton <br /> ' Refer to Exhibit D for related information -Reclamation see Ex E & F. <br /> G1Typical profile of downhill cuter edge of wor inc <br /> a,�`;• •° <br /> ...........� p� ` <br /> area, showing pre- and post-extraction work. <br /> +�� W/A-STELME., INC. c 130CT2021 All rights reserved <br />