Address. Address. Address IB ' 6Q 1332> feet, Measured. Hole and casing data (Give amount. Size, kind, and depth of all casing; type and

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1 IOWA GLOLuGICAL BURVBX In Cooperation with U. S. Geological Purvey ' RECCWD JF vslll Location: Town: Cr jl~. (_S_Js); County i U_ //.,,'.. sec. T. ' In.,R. Vs. Twp. L V<ell name end number. 0 finer Tenant Address Address Contractor Drillers; Drilling dates Address IB ' 6Q 332> ~ \iell data: Elevations: Drilling curb IMP.feet; Land surface feet Determined by Topographic position Total depth: Reported feet, Measured feet Drilling method Hole and casing data (Give amount. Size, kind, and depth of all casing; type and UL ; '. '. i.. : position of seaiu and packersj cementing; hoiv finished perforated pipe, screen, gravel pack, open hole, etc.) Griginel aepth to water above ft. below Date Original levation of water level,9 5~ 9 f t.; Source of data Sources of water: Principal i j Otherr;

2 . No.. Production data: Static depth to water Pumping level / & /~\ Date Measuring point_ at _'. / 9 Oi g.p.m. Specific capacity jj.p.m. per ft. drawdownj Temperature. 5 Z }F. Pump dataj Type pump Cylinder or bowls: Dia._ Povrer Estimated rate of production: Use of water Column Dia. Length Airline Length. Suction oioe g.p.m. ior hr3. a day Date sampled Sampled by Total solids Insoluble matter Alkalinity (Heo) Alkalinity (Phn) PH Fe203+ MngO^+AlgO^ Alkali as sodium Calcium Magnesium Iron (unfiltered) Manganese Nitrate Fluoride WATER ANALYSES (in parts per million), :._!. S/.'t,L.. J i_ d?.z Chloride Sulfate Bicarbonate Herdness (ppm) Hardness (gpg) P.emark3.... Laboratory data: Sample storage location Sample range spls. No. dupls. & cond.. Spls. prepared by Washed range by Driller's log and cond. Insoluble residues: _ Prepared by, Studied by_ Strip log_ microscopic 3tudy ^ strip log Gen. log _ Correl. by_

3 CITY WELL COLESBURG, IOWA DATE STARTED 6939 DATE COMPLETED DEPTH 822' DIAMETER 73' of 2a" 8" to bottom CASING 74«of 8" grouted; 227,5" of 5" with packer STRATA RECORD Depth From To Thiokness Description of Beds Top MS" No Record 29 Some flint; clay falling in 9 Red clay and flint 2 Lime, gray, very hard 9 Niagara Lime Lime and flint 0 Limestone, gray 5 Limestone, gray; some flint 20 Limestone, gray 20 Limestone, light brown 5 Limestone, brown and white 5 Lime, brown; white rook 5 Limestone, brown 20 Limestone, grayish brown 5 Limestone, brown 0 Limestone, brown, hard 5 Limestone, gray, hard 5 Limestone, gray 2 Limestone, and blue shale 5 Shale, blue 2 Shale 3 Shale and blue rock 8 Blue rook 0 Gray rock 24 Shale 3 Shale and blue rock 7 Blue rook 7 Shale 6 Shale, brown 3 Blue rock. 0 Gray rook 25 Platteville Lime 75 Limestone 6 Blue rock 8 Blue rock, hard 6 Blue rock 5 Shale 46 Blue rock

4 87 * _ City Well Colesburg, IoWa Page 2 STRATA. RECORD CON,T t ]'Depth f From To Thickness Description of Beds Shale Sandstone Sand and lime 85 2 Lime Sandstone STATIC WATER LEVELS From _ Level Top 200 Dry ;jr 790~ ' J 90 82J 87$ $ ' DrilledI by C. W. Varner 905 Dubuque Bldg., Dubuque, Iowa.

5 IOWA GEOLOGICAL SURVEY Iowa City, Iowa Generalized Well Log Based on Examination of Drill Cuttings $ Name of Well g City Well * Survey No. W. 067 Location NE7: gg NE^ Sec. _f T. 90 N.f R.?... County D»i arfl Total depth 822ft. Drilled by Vamer Well Co. _Date T939 Curb elevation 40ft. Static level ft.; Drawdown?Qg ft.at vg4c.p.a< Casing and hole size record DeDth in Description of Formation Thickness From To feet Pleistocene System (roess and pebbly clay) Silurian System Dolomite with heavy chert beds at top ?42 Ordovician System Maquoketa formation Brainard (doloraitlc shale) Ft. Atkinson (dolomite and chert) Elgin (dolomitie shale) Galena formation Dubuque (dolomite and limestone) ' '5 Stewartville (dolomite and llxestone) 7' Prosser (dolomite, limestone and chert) Decorah formation (limestone and shale) Platteville formation McGregor (limestone) Pecatonice (dolomite) ' ? Glenwood (shale) St. Peter formation (sandstone) T. D.

6 COLESDURG TEST COLESBURG,IOWA Date Sept. 3, 939 Pump placed to a depth of 28' Statio Level 200' Airline Out of order Started pumping just to see Started pumping at 36 Min. 40 Sec. after 0 A.M. Flow at start 22 gal. per rain. gradually dropped if we had any volume of water and to pump out mud. At 5 I<:in. & 45 Sec. after 0 to o'clock 8 Min. & 5 Sec. Pumped 55 gal. Stopped at :09 Started at 30 Min. & 5 Sec. after o'clock to 33 Kin. & 0«Sec. after o'clock 2 Min. & 55 Sec. Pumped 60 gal. Waited 5 Minutes From 52 Min. & 30 Sec. after o'clock to 54 Min. & 50 Sec. after o'clock 2 Min. & 20 Sec Pumped 50 gal. From 58 Min. after oiclock to 40 Min. & 50 Sec. aft 2 o'clock 46 Min. & 50 Sec. Pumped 0 gal. C. W. Varner 905 Dubuque Bldg., Dubuque, Iowa.

7 ' _ IOWA GEOLOGICAL SURVEY Water Analysis Comparison ( / Town. County: Location Ser. N,, R. E. W. Owner. Contractor ' Well Number or Location Colssburg ( Coleaburg Creamery Elkader Depth of Sample. >ibe s>_»rte_; I Formation Source St. Peter Silurian Joi'dan Water Level Below Curb How Sampled.. _J Sampled by _l / II / LI _/_. Date Sampled 4/0/45 5/4/45 9/3/ r 397 H~ "345 Total Solids UlooUlVcU t_w_._.ud, _.. Insoluble Matter Alkalinity (MeO; Nitrite CW_) Nitrate [NO7J Sodium (Na) % Potassium (K)* Calcium (Ca) 84.0 "77.2" 703 Magnesium (_g) Iron (Fe)! : Iron (Unfiltered)** a.s~ 5.3" Trace ' Manganese (_n) Trace CUM 0.00! Aluminum (nl) Fluorine (F) j.2 0. ;.5 Chlorine (Cl) Sulphates (SOa) ~59~.U 27.4 'Bicarbonates (HCO^) Phosphates (F0A) '.Borates (B0?) Calculated Hardness*** ;::: Water Lab. Lumber '.. L. :..' *Na and K not seoardted, c^lcula'ceu as Sodium (Na): Includes iron precipitated or flocculated after sa_pie collecte if: ***Calculated as CaCUg. Completed Depth_ ft.; Final Static Water Level_ f t.; Production G?Mj Drawdown ft., at _GPMj Ca]]ons per foot drawdown. Date Complete''.?.<J4. Rem;: rks : ; \