11 19 20 29 28 26 25 21 22 23 24 31 32 33 34 35 6 5 4 3 2 1 36 7 8 9 10 12 18 17 16 15 14 13 27 30 34 27 22 Fall River County Niobrara County Custer County Weston County Fall River County Custer County T7S T6S R1E R2E R1E R2E T7S T6S R1E R1E J J' H' H G' G F' E' F E B' B A' A D' D C C' Permit Boundary Elevation above Sea Level DRJ 80 Elev. 3762 Estimated Thickness of Graneros Group Upper Fall River Formation Lower Fall River Formation Fuson Shale Upper Chilson Morrison Formation Middle Chilson Lower Chilson Fall River Potentiometric Chilson Potentiometric 76 - 7 - .12 83 -7.5 - .19 76 -1 - .06 84 -3 - .07 Darrow Underground Mine Workings L 7 L 6 L 5 L 4 L 3 L 2b UL 1 LL 1 L 2a DM 448 Elev. 3790 DS 185 Elev. 3780 DS 116 Elev. 3783 DRJ 105 Elev. 3789 DRJ 90 Elev. 3762 (no log) (no log) (no log) F 3,400 3,300 3,200 0 5,000 10,000 15,000 20,000 25,000 30,000 35,000 3,500 3,600 3,800 3,700 3,900 40,000 Estimated Thickness of Shale Upper Fall River Formation Lower Fall River Formation Fuson Shale Upper Chilson Morrison Formation Middle Chilson Lower Chilson Unkpapa Sandstone Darrow Pit Elevation above Sea Level L 7 L 6 L 5 L 4 L 3 L 2b L 2a Fall River Potentiometric Chilson Potentiometric DRJ 70 Elev. 3747 TRM 34 Elev. 3765 TRM 33 Elev. 3747 TRS 1 Elev. 3742 F' 45,000 3,400 3,300 3,200 3,500 3,600 3,800 3,700 3,900 50,000 55,000 60,000 65,000 70,000 75,000 80,000 Upper Fall River Formation Lower Fall River Formation Fuson Shale Upper Chilson Morrison Formation Middle Chilson Lower Chilson Unkpapa Sandstone Upper Fall River Formation Lower Fall River Formation Fuson Shale Upper Chilson Morrison Formation Middle Chilson Lower Chilson 100 50 0 200 Feet 0 25 50 Meters Horizontal Scale = Vertical Scale 300 400 100 Index Map DRAWN CAD FILE PDF FILE PLOT DATE DATE If this bar does not measure 1 inch this map is not at its original scale CHECK SCALES REVISIONS DATE CHECKED DRAWN # PREPARER APPROVED CONSULTANT REF Arch E 36" x 48" COORDS Dewey-Burdock Project SIGNATURE OF PREPARER Ore Legend Confining Clays and Shale Sand Match Line Match Line 12-Sep-2012 p:\dewey-burdock\submittals\lsmp\p_x_burdock_f-f.dwg Plate 3.2-18 Cross Section F - F' R. Lichnovsky F. L. Lichnovsky 12-Sep-2012 NAD 27, South Dakota State Plane South (feet) R933_P_X_Burdock_F-F.pdf 933 This plate is provided to fulfill the requirements of ARSD 74:29:02:11(2).