Minnesota Unique Well No. MINNESOTA DEPARTMENT OF HEALTH County Watonwan Entry Date 05/04/2009 WELL AND BORING RECORD 760689 Quad Lewisville Update 06/10/2009 Quad ID 36B Minnesota Statutes Chapter 1031 Received Date 07/31/2018

Well Name Township Range Dir Section Subsection Use Status Well Depth Depth Completed Date Well Completed Lic/Reg. No. DNR OB 83019 106 30 W 19 ADAAAC observation well A 648 ft. 648 ft. 04/28/2009 1493 Elevation 1066 ft. Elev. Method 7.5 minute topographic map (+/- 5 feet) Aquifer Mt.Simon Depth to Bedrock 101 ft Open Hole 495 - 648 ft Static Water Level 47 ft

Field Located By Minnesota Geological Survey Locate Method Digitization (Screen) - Map (1:24,000) (15 meters Universal Transverse Mercator (UTM) - NAD83 - Zone 15 - Unique No. Verified Information from owner-site Input Source Minnesota Geological Survey UTM Easting (X) 382099 Geological Interpretation John Mossler Input Date 04/23/2009 UTM Northing (Y) 487009 Agency (Interpretation) Interpretaion Method Cuttings + geophysical log

Depth (ft.) Elevation (ft.) Geological Material Color Hardness From To Thickness From To Stratigraphy Primary Lithology Secondary Minor Lithology SOIL SANDY BLACK SOFT 0 3 3 1066 1063 Recent deposit-black soil organic deposits sand VERY SANDY CLAY BROWN SOFT 3 5 2 1063 1061 clay+sand-brown clay sand CLAY MUSHY YELLOW V.SOFT 5 23 18 1061 1043 clay-yellow clay CLAY MUSHY BLUE V.SOFT 23 32 9 1043 1034 clay-gray clay CLAY SANDY GRAY SOFT 32 60 28 1034 1006 clay-gray clay SAND MEDIUM BROWN SOFT 60 63 3 1006 1003 sand-brown sand SAND MEDIUM & CLAY BROWN SOFT 63 68 5 1003 998 clay+sand-brown sand clay SAND MEDIUM BROWN SOFT 68 71 3 998 995 sand-brown sand CLAY SANDY BLUE SOFT 71 74 3 995 992 clay+sand-gray clay sand VERY SANDY CLAY GRY/TAN SOFT 74 75 1 992 991 clay+sand clay sand COARSE SAND BROWN SOFT 75 81 6 991 985 sand-brown sand CLAY SANDY FIRM TAN 81 96 15 985 970 clay+sand-brown clay sand CLAY SANDY FIRM BLUE 96 101 5 970 965 clay+sand-gray clay sand CLAY SANDY FIRM BLUE 101 103 2 965 963 Cretaceous undiff. shale sandstone FINE SAND SOME CLAY BRN/BLU SOFT 103 110 7 963 956 Cretaceous undiff. sandstone shale SAND FINE BRN/BLU SOFT 110 128 18 956 938 Cretaceous undiff. sandstone FINE SAND/CLAY BROWN SOFT 128 130 2 938 936 Cretaceous undiff. sandstone shale FINE SAND/CLAY GRY/BRN SOFT 130 140 10 936 926 Cretaceous undiff. sandstone shale FINE SAND BROWN SOFT 140 145 5 926 921 Cretaceous undiff. sandstone MEDIUM SAND BROWN SOFT 145 158 13 921 908 Cretaceous undiff. sandstone MEDIUM SAND SOME CLAY BROWN SOFT 158 160 2 908 906 Cretaceous undiff. sandstone shale MEDIUM SAND DK. BRN SOFT 160 167 7 906 899 Cretaceous undiff. sandstone MED SAND/SOME CLAY BROWN SOFT 167 173 6 899 893 Cretaceous undiff. sandstone shale CLAY SOME SAND FIRM GRAY 173 191 18 893 875 Cretaceous undiff. shale sandstone SAND MEDIUM FINE VARIED SOFT 191 246 55 875 820 Cretaceous undiff. sandstone CLAY GRAY SOFT 246 247 1 820 819 Cretaceous undiff. shale CLAY GRAY SOFT 247 248 1 819 818 Tunnel City Group shale sandstone dolomite SILTSTONE/SHALE GRY/GRN HARD 248 254 6 818 812 Tunnel City Group shale sandstone dolomite SHALE/SILTSTONE GRN/GRY HARD 254 265 11 812 801 Tunnel City Group shale sandstone dolomite SHALE/SILTSTONE GRAY HARD 265 270 5 801 796 Tunnel City Group shale sandstone dolomite SHALE/SILTSTONE GRY GRN VARIED HARD 270 280 10 796 786 Tunnel City Group shale sandstone dolomite SHALE/SILTSTONE BROWN HARD 280 286 6 786 780 Tunnel City Group shale sandstone dolomite SILTSTONE/SHALE GRY/GRN HARD 286 291 5 780 775 Tunnel City Group shale sandstone dolomite

Depth (ft.) Elevation (ft.) Geological Material Color Hardness From To Thickness From To Stratigraphy Primary Lithology Secondary Minor Lithology SILTSTONE/SHALE MINOR GRAY V.HARD 291 298 7 775 768 Tunnel City Group shale sandstone dolomite SHALE/SILTSTONE RED/BRN HARD 298 300 2 768 766 Tunnel City Group shale sandstone dolomite SILTSTONE/SHALE GRN/RED HARD 300 303 3 766 763 Tunnel City Group shale sandstone dolomite SHALE/ SILTSTONE RED/GRN HARD 303 311 8 763 755 Tunnel City Group shale sandstone dolomite BLACK SPECKY GRY/GRN SOFT 311 313 2 755 753 Tunnel City Group sandstone shale dolomite BLACK SPECKY GRY/GRN SOFT 313 316 3 753 750 Wonewoc Sandstone sandstone SANDSTONE MINOR SHALE GRY/GRN 316 330 14 750 736 Wonewoc Sandstone sandstone SANDSTONE MINOR SHALE WHT/GRN 330 347 17 736 719 Wonewoc Sandstone sandstone SANDSTONE MORE SHALE GRY/WHT MED-HRD 347 363 16 719 703 Wonewoc Sandstone sandstone QUARTZITE/ SANDSTONE WHITE V.HARD 363 366 3 703 700 Wonewoc Sandstone sandstone SHALE SOME SANDSTONE GRN/WHT HARD 366 368 2 700 698 Wonewoc Sandstone sandstone SHALE SOME SANDSTONE GRN/WHT HARD 368 388 20 698 678 Eau Claire Formation shale sandstone SHALE/SANDSTONE FINE GRN/WHT MED-HRD 388 403 15 678 663 Eau Claire Formation shale sandstone SHALE MORE FINE GRN/WHT HARD 403 408 5 663 658 Eau Claire Formation shale sandstone FINE SANDSTONE/SHALE GRN/GRY 408 441 33 658 625 Eau Claire Formation shale sandstone SHALE/VERY FINE DK. GRN MED-HRD 441 446 5 625 620 Eau Claire Formation shale sandstone DOLOMITE LAYER WHITE V.HARD 446 447 1 620 619 Mt.Simon Sandstone sandstone SANDSTONE/SHALE GRN/TAN M.HARD 447 452 5 619 614 Mt.Simon Sandstone sandstone shale DOLOMITE LAYER WHT/PNK V.HARD 452 454 2 614 612 Mt.Simon Sandstone sandstone SANDSTONE MINOR SHALE WHT/TAN M.HARD 454 465 11 612 601 Mt.Simon Sandstone sandstone SANDSTONE/SHALE FIRM GRN/TAN 465 479 14 601 587 Mt.Simon Sandstone sandstone shale SANDSTONE/SHALE VARIED M.HARD 479 513 34 587 553 Mt.Simon Sandstone sandstone shale SANDSTONE/SHALE FIRM WHT/GRN 513 521 8 553 545 Mt.Simon Sandstone sandstone shale SANDSTONE/MINOR SHALE WHT/GRN 521 585 64 545 481 Mt.Simon Sandstone sandstone SANDSTONE/MINOR SHALE WHT/PNK M.HARD 585 625 40 481 441 Mt.Simon Sandstone sandstone SANDSTONE MORE SHALE VARIED M.HARD 625 630 5 441 436 Mt.Simon Sandstone sandstone SANDSTONE MINOR SHALE VARIED M.HARD 630 640 10 436 426 Mt.Simon Sandstone sandstone SANDSTONE MINOR SHALE PNK/GRN 640 646 6 426 420 Mt.Simon Sandstone sandstone SHALE STICKY FIRM WHT/RED 646 647 1 420 419 Mt.Simon Sandstone shale QUARTZITE RED/WHT V.HARD 647 648 1 419 418 Sioux Quartzite quartzite

Minnesota Well Index - Stratigraphy Report 760689 Printed on 09/29/2021