Grant County, Indiana

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¸# Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Robert E. Carter, Jr., Director Aquifer Systems Map 59-B

BEDROCK AQUIFER SYSTEMS OF GRANT COUNTY, INDIANA

R. 9 E. R. 10 E. The occurrence of bedrock aquifers depends on the original composition of the rocks and

R. 8 E. R. 9 E. T. 26 N. subsequent changes which influence the hydraulic properties. Post-depositional R. 7 E. R. 8 E. E T. 25 N. processes, which promote jointing, fracturing, and solution activity of exposed bedrock,

R. 6 E. R. 7 E. 0 0

1 generally increase the hydraulic conductivity (permeability) of the upper portion of

d bedrock aquifer systems. Because permeability in many places is greatest near the

T. 26 N. 2 a

W o

Black 2 1 0

T. 25 N. R bedrock surface, bedrock units within the upper 100 feet are commonly the most 3

0 3 1 4

5 y 6

4 6 t

5 2 1 Little productive aquifers.

n d

3 6 E

4 2 Creek u

a 3

0 o o 5 1 6 0

k C 2 R ee r 4 3 C 4 Mississinewa

y Bedrock aquifer systems in the county are overlain by unconsolidated deposits of varying d

t Metocinah County Road 600 N

a n

Lake o

u thickness. Bedrock depth ranges from 50 feet or less below the surface on the western R

o Fox

C F y

t portion of the county to more than 450 feet below the surface in the buried bedrock valley E

r E

0 N County Road 60 a n

n 0 0 9

c u 69 0

e 0 that cuts across the northeastern portion of Grant County. However, throughout much of

s o 11 7

1 R

S C

S 5 12

d l d

o Grant County bedrock is commonly 100 to 200 feet below the surface. Most of the

a a 9

cu 9 8 8 10

o o 11 m 10 12 7 12 7 R bedrock aquifers in the county are under confined conditions. In other words, the

11 10 R R

8 1 9 E

r y

7 a y k

t t

11 12 il S 0 e potentiometric surface (water level) in most wells completed in bedrock rises above the n

10 n e

9 R 0 r

o o C County Road 500 N top of the water-bearing zone.

1 d

C C

Jalapa 5 a

9 R 8

y The yield of a bedrock aquifer depends on its hydraulic characteristics and the nature of

County Road 500 N t

n W

u 14 the overlying deposits. Shale and glacial till act as aquitards, restricting recharge to 15

o PS

0 M 18 27-02321- 13

C 14

W 15 0 17 is underlying bedrock aquifers. However, fracturing and/or jointing may occur in aquitards,

5 s 0 is

0 s

d 15 in 14 13 16 9

a 13 Van which can increase recharge to the underlying aquifers. Hydraulic properties of the 3 e

16 w 16 l o d 1 18 a 17 e

18 R a 13 bedrock aquifers are highly variable.

14 17 m Buren

o 15 y

16 R

t m

R 0 N 40 S ty Road

n u Landess Coun

y u

t C R H

o E

n a iv

r er Two bedrock aquifer systems are identified for Grant County. They are, from younger to C u

t 0 o

0 older: the Silurian and Devonian Carbonates, and the Maquoketa Group of Ordovician C

County Road 400 N C 0 1

ek d age. Bedrock wells represent about 50 percent of all wells completed in the county. Hanfield a 24

22 o 23 21 R

19 20

20 23 y 21 22 24 t The susceptibility of bedrock aquifer systems to surface contamination is largely

20 21 19 n u

19 W

24 24

23 22 23 o dependent on the type and thickness of the overlying sediments. However, because the

21 22 0 C 0 County Road 300 N

2 bedrock aquifer systems have complex fracturing systems, once a contaminant has been

a 27-00492-IR introduced into a bedrock aquifer system, it will be difficult to track and remediate.

N y oad 300 0 County R 0

t 25 8

d u

a 26

d 25

0 o

a 30 27 C

7 28

P o R ipe 28 26 29

d Silurian and Devonian Carbonates Aquifer System

27 R

t B 25 y

o 30

29 n

27 26 k t la

u R 25 29 28 e n c 26 e k

30 o 27 r u

28 y

o t C C nty Road 200 N Farrville

n Cou

C u

C o 27-00147-IR The Silurian and Devonian Carbonates Aquifer System subcrops throughout much of

E C re e County Road 200 N 0

k 0 Grant County. This aquifer system consists exclusively of Silurian age carbonates in

ey C 0

s d ree Grant County. Because individual units of the Silurian and Devonian systems consist of a k

0 s o 27-01872-PS 3 a 35 Converse 31 34 36

R 32 similar carbonate rock types and cannot easily be distinguished on the basis of water well

d M Mier 32 34 35 36

a 32 33

31 31 y 33 36 t

o records, they are considered as a single water-bearing system.

33 R

34 35 u y S o R 36 27-01873-PS t

1 C 8 n T. 25 N. 35 u Wells completed in the Silurian and Devonian Carbonates Aquifer System are generally

33 34 o County Road 100 N T. 24 N.

C E

27-02715-IN Sweetser capable of meeting the needs of domestic and some high-capacity users in Grant County. 0

0 Domestic wells utilizing this system have reported depths ranging from 30 to 497 feet,

County Road 100 N Marion 6 1 1

T. 25 N.

d but are typically 90 to 220 feet deep. The amount of rock penetrated in this system

6 a T. 24 N. 1 4 3 2 1 5 5 o 2 4 2 1 commonly ranges from 30 to 150 feet. Typical yields for domestic wells range from 12

3 R

y 3 SR 18 t to 40 gallons per minute (gpm) and static water levels are generally 20 to 55 feet below 6 5 4 n

1 u 3 2 4 T o land surface. There are 14 registered significant ground-water withdrawal facilities (29

a C y SR 18 wells) with reported yields from 15 to 550 gpm. lo r

In most of Grant County the Silurian and Devonian Carbonates Aquifer System has a low r 7 susceptibility to surface contamination because it is overlain by thick clay deposits. uga 10 12 8 L 11 12 11 However, solution features (caves) are described on a few well records suggesting minor 9 8 9 12 10 7 10 7 8 9 Cr karst development. Therefore, areas where overlying clays are thin or absent are at 11 12 11 ee 9 10 k moderate to high risk to contamination. County Road 100 S Jadden Arcana County Road 100 S Ordovician -- Maquoketa Group Aquifer System 16 15 Cr 15 14 18 14 eek 17 16 13 13 16 15 14 13 18 17 18 17 14 13 In Grant County, the Maquoketa Group subcrops only in the buried pre-glacial valley 16 15 Home where the overlying Silurian and Devonian bedrock has been removed by erosion. The Michaelsville Corner County Road 200 S Maquoketa Group consists mostly of shale with interbedded limestone units. In general, County Road 200 S this system ranges from 650 to 750 feet thick in the county. However, no known wells

69 5

Roseburg

0 utilize this aquifer system in Grant County because the Maquoketa Group lies about 250

0 S 4 20 21 24 23 24 19 22 23 to 450 feet below the ground surface and adequate water supplies are typically found in

d 22 a 24 20 o 23 19 the overlying unconsolidated deposits or in the Silurian and Devonian Carbonates, where 24 21 22 S

Herbst 20 R 22 19 k R 21

23 y e present. This aquifer system has a low susceptibility to surface contamination because 21 t e 1 n r 5 u C County Road 300 S thick clay deposits cover the subcrop area. o 27-02708-IN

C County Road 300 S 27-00639-PS Swayzee 29 Walnut 26 25 30 27 27 26 25 28 28 27 26 25 30 29 29 Sims e 28 26 25 30 ip P Cr County Road 400 S eek 28 27 EXPLANATION County Road 400 S Gas City Registered Significant Ground- 35 32 33 34 35 36 31 36 Water Withdrawal Facility 3 36 31 32 1 34 34 33 35

31 32 33 27-04547-IR R 36 34 35 Stream

33 S SR 22 County Road 500 S T. 24 N.

E 35

T. 23 N.

0 County Road

Cole 0 5

Jonesboro

T. 24 N. d

35 a

W o

T. 23 N. 4 6 5 4 3 2 State Road & US Highway 0

3 2 R 1 1

y 7

6 t

3 n d 1

4 5 u a 5 2

6 o Interstate

3 2 o 1 ek 27-00132-PS C 4 R e r County Road 600 S

y C

n u

o k Municipal Boundary e C e

Normal W r County Road 600 S Weaver

0 C 0

3 11 10 11 Upland 27-02707-IN 9 10 12 7 8 9 d 12 a er 8 R

o e State Managed Property 10 D 7 Mississine iv

R w e

9 a 8 11 12 r 12 7 y 10 11 t

9 n

u County Road 700 S SR 26 n o Wh

E e

u C e R ling 0 Pik Lake & River

0 e

ad 700 S 4

County Ro d

0 k 16 o 18 15 0 c 16 R 14 14

17 13 1 15 17

y t

d 13

B n

15 a 13 u 14 14 o

16 o 17 R e 18 Location Map i 13 C

15 y e t

ir 16 ttl i n a G L r rassy u

P o

E C k Radley r County Road 800 S 0

Fo 0

23 1

20 a

2 19

0 22 23 o k

0 22 e 24 d 21 e 24

r 21 R

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23 19 y

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22 t

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21 20 n

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24 y L

23 o R

21 i

n t C

y t u

t le SR 26 o

u C

Point o C

Hackleman E SR 26 e

i 0 Isabel Fairmount r i 0

C a 7 r r d

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28 27 R

27 27-00338-PS

k y t

29 28 e 0 n

27 26 25 30 e 29 0 u

28 r 3

C o d

Fowlerton C 7 a County Road 1000 S 3

R R

E S y

County Road 1000 S w 0 n 0

E e

N 6

W 0 36 31 a 32 35 1 34

0 r 0 33 36 31 o 35

e d 0 5 33

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D 33 34 y

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33 R

9 t

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69 T. 23 N.

t n

id o County Road 1100 S 1 0.5 0 1 Mile

u d R

l C u

e o T. 22 N.

o C C 1100 S T. 23 N. County Road T. 22 N. Matthews 3 1 W 5 4 2 a l 6 6 k 2 1 3 2 1 5 3 5 4 3 1 6 4 1 0.5 0 1 Kilometer 4 2 3 1 Fo 27-00218-PS R rk S Rigdon R. 9 E. R. 10 E. R. 7 E. R. 8 E. R. 8 E. R. 9 E. R. 6 E. R. 7 E.

Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621) and Bedrock Aquifer Systems of Grant County, Indiana We request that the following agency be acknowledged in products derived County Boundaries of Indiana (polygon shapefile, 20020621), were all from the Indiana from this map: Indiana Department of Natural Resources, Division of Water. Geological Survey and based on a 1:24,000 scale, except the Bedrock Geology of Indiana by Map generated by Scott H. Dean (polygon shapefile, 20020318), which was at a 1:500,000 scale. Draft road shapefiles, System1 and System2 (line shapefiles, 2003), were from the Indiana Department of Transportation and IDNR, Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural Gregory P. Schrader and Robert A. Scott based on a 1:24,000 scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was Resources, Division of Water using data believed to be reasonably accurate. Division of Water, Resource Assessment Section from the U.S. Census Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, However, a degree of error is inherent in all maps. This product is distributed 20000420 was from the Center for Advanced Applications in GIS at Purdue University. “as is” without warranties of any kind, either expressed or implied. This map Managed Areas 96 (polygon shapefile, various dates) was from IDNR. is intended for use only at the published scale. June 2009

Milo

sel Creek Wea Mississinewa Lake ek re ack C l

T B e C k tl e n t a ah Creek e Li m e r in c t Met o r il e C C Fox h

r k e n e i e

e r 69 C c k ck o a

l J B 9

Jalapa h itc Van Buren D un R ck Roods Run u B Creek Landess P u E l n l P o o e t y te c

r D h

i L D t Hanfield c e

i k h

tc e e h e r D

i Brushy Run h t itc c D

er h ak B Wagner

Lake

h L c

u i l d

e D

m l u y

m t

m u i r H D

a i

i t

c r

Farrville

P T

i p i

p e B p lac

e k C y h C re

c ek t

D re i Di tc f e f

Converse k h Go

Mier i s

34 s

18 Sweetser i

9 s i

n h c e t i w

R s i ver

T ay Location Map l

C S t

r on e e y C e re

k ek Marion 18

k e e r C C ar reek s g u

t Marion

o L o Lake B

Arcana

L o m a x

tc i

Home Corner n kli n Michaels ra F Ditch

s n im 15 so Roseburg n S h o

h c t i Taylor D Herbst y Lake e l

ree t C

k Walnu k e

Swayzee

Sports Sims Lake L Gas City on Marion 15 g h B itc r

D a W rk nc im Fo h m ry

e D r

eek r C e ip P Cole Jonesboro ek

re C 35 h

9 a r

reek Bell C Normal Weaver M

i ss is Upland si n

e e Riv r

wa Dollar EXPLANATION

Lake

n u R

ie 13 ir n ra Ru P ne Ca 800

Gr assy F h ork itc D Rou s Radley n lli 119 ch d o

t i R D H u

ia n t

a al 35 G

W i

k n s e l o e w 69 r D C D it r c e e h e e r D

e l k t C Hackleman t e i r e r L e k e 69 e C 26 k e e

r Fairmount i Point Isabel ir C a r

P c

Fowlerton reek d C

r ek fo

re ra C C en 37 rr a P B o le y W a h lk c M it iddle D k F y e o e re r k C V k c e a tu tl n S it R

L u

c t

Matthews

Rigdon Hillshade Map of Grant County, Indiana

Map Use and Disclaimer Statement Potentiometric Surface Map of the Bedrock Aquifers of Grant County, Indiana Mitchell E. Daniels, Jr., Governor Department of Natural Resources Division of Water Robert E. Carter, Jr., Director Aquifer Systems Map 59-A

UNCONSOLIDATED AQUIFER SYSTEMS OF GRANT COUNTY, INDIANA

R. 9 E. R. 10 E. Five unconsolidated aquifer systems have been mapped in Grant County: the Till

R. 8 E. R. 9 E. T. 26 N. Bluffton Till Aquifer Subsystem R. 7 E. R. 8 E. E Veneer; the Bluffton Till; the Bluffton Till Subsystem; the Bluffton Complex; and the

T. 25 N.

R. 6 E. R. 7 E. 0 0

E Wabash River and Tributaries Outwash Subsystem. Boundaries of all aquifer systems

0 3 described are commonly gradational, and individual aquifers may extend across aquifer

d 7

4 T. 26 N. 2 a

9 d o 1 system boundaries. Areas where unconsolidated materials are generally greater than 50 feet in thickness, yet

a Black 2 R

T. 25 N. o

3 1 R have limited aquifer potential, are mapped as the Bluffton Till Aquifer Subsystem. The y

S R 5 Little t

5 2 1 6 n 6 y Creek

4 3 4 t E

2 3 u unconsolidated material in this subsystem ranges from about 50 to 200 feet thick in Grant

n The thickness of unconsolidated deposits in Grant County is quite variable because

o 0

1 6 5 u

C 0 3 2 Creek o glacial material has been deposited over an uneven bedrock surface. Unconsolidated County. Potential aquifer materials include intratill sand and gravel deposits. Where

4 3 C Mississinewa Metocinah 27-02937 - PS oad 600 N d County R present, aquifer materials are capped by till that is commonly 30 to 85 feet thick.

a materials range from 50 feet thick or less in the western portion of the county to more Lake Fox o

F than 450 feet in the buried bedrock valley that cuts across the northeastern portion of y

r E t

County Road 600 N a More than 85 percent of wells started in the Bluffton Till Aquifer Subsystem in this n n

c 0 k 69 Grant County. However, throughout much of Grant County unconsolidated deposits are u e 0 W 11 e 11

s o 1 e

r county are completed in the underlying bedrock aquifer system . However, this

0 S 5 commonly 100 to 200 feet thick.

C 12

l d C 0 o

c a l 9 10 6 9 e 8 subsystem is capable of meeting the needs of some domestic users in the county. The

u 8 o m 10 m 12 R

d 11 12 7 10 R

S a

T m

8 1 r 9 u few wells producing from the Bluffton Till Aquifer Subsystem are generally completed at o 7 a y 7 Regional estimates of aquifer susceptibility to contamination from the surface can differ 12 i t H

11 R l S

10 n

9 R 27-03336 - IR depths of 60 to 140 feet. Intratill sand and gravel aquifer materials are typically 5 to 10 u

y considerably from local reality. Variations within geologic environments can cause t

o County Road 500 N

n 1

Jalapa C feet thick. Reported well yields generally range from 5 to 25 gpm and static water levels

u 5 variation in susceptibility to surface contamination. In addition, man-made structures o

C are commonly 45 to 90 feet below the surface. 8 9 such as poorly constructed water wells, unplugged or improperly abandoned wells, and ounty Road 500 N C open excavations, can provide contaminant pathways that bypass the naturally protective W 14

16 15 0 M

15 14 18 13 This subsystem is generally not very susceptible to surface contamination because W 15 0 i 17 clays. ss

5 i 0 ss intratill sand and gravel units are overlain by thick till deposits. However, in some areas

0 i

d n 14 13 9 e

a 13 Van 3 16 w 16

o a where aquifers are shallow and overlying clay deposits are thin, the system is at moderate d

1 18 17

18 R

a 13

14 17 Buren

o 15

16 R risk. t R 0 N

ad 40

S ty Ro

n Landess Coun y

u Till Veneer Aquifer System

t Cart Ri o

v E n e

C ty Road 400 N 0

Coun C 0

re 0 d e 6 Bluffton Complex Aquifer System

k a

Hanfield d 24

o 23 In Grant County, the Till Veneer Aquifer System includes areas where the 0

a 22

21 R

0 o 19 20

7 unconsolidated material is predominantly thin till overlying an eroded bedrock surface. R

23 y

21 24 t

d Black y

21 n t

a 20 19 22 u

19 W This system has the most limited ground-water resources of the unconsolidated aquifer

n o 24 24

23 22 23 o 0

22 u

21 R The Bluffton Complex Aquifer System is mapped over a large portion of eastern Grant

o systems in the county and is mapped in the western portion of Grant County. Total

C t

County Road 300 N County and is characterized by unconsolidated deposits that are quite variable in n

d thickness of the Till Veneer Aquifer System generally ranges from about 25 to 50 feet.

o o

E materials and thickness. Sand and gravel aquifer deposits are commonly overlain by a

R C

0 r y 27 0 thick till. This system generally also exhibits alternating layers of outwash and till of County Road 300 N t e

8 There is little potential for ground-water production in this system in Grant County.

n e d

u k variable thickness above the main aquifer. The main aquifer deposits that cap the buried a 26 o 25 Potential aquifer materials include thin isolated sand and/or gravel layers. However,

30 o 27 C 28

28 29 R bedrock valley are typically thicker and more continuous than the shallower sand and

25 none of the reported wells penetrating this aquifer system are completed in y 25 30 26 t gravels in this system. Total thickness of the Bluffton Complex Aquifer System Pi 26 27 26 29 n unconsolidated materials, which are bypassed in favor of the underlying bedrock. The pe 25 29 28 u 28 27 30 o generally ranges from about 70 to over 185 feet in Grant County. C County Road 200 N Farrville Till Veneer Aquifer System is not very susceptible to contamination from surface sources 27-02193 - PS C because the near-surface materials generally have low permeability.

r E In northeastern Grant County, this system overlies the Lafayette e County Road 200 N

ek 0 0

W (Teays) Bedrock Valley System, which trends northwest from the

0 d

0 27-02702 - IR area near the town of Jadden, toward Metocinah Creek. The total a 3 31 35 Converse 34 36 o 32 Mier d 32 35 36 Bluffton Till Aquifer System 32 34 R unconsolidated thickness exceeds 450 feet in many places. The

a 33

31 36 31 33

o y

33 t

R few wells completed in this portion of the system produce from n

34 35 u S y

R t 1 36 o both upper and lower sand and gravel aquifers. The wells 8 n

35 C T. 25 N. u

33 34 o County Road 100 N T. 24 N. The Bluffton Till Aquifer System primarily consists of thick clay with thin intratill sand producing from the upper aquifer range in depth from about 100 to C

Marion E

Sweetser E

0 and gravel layers. In Grant County, this aquifer system ranges in thickness from about 50 215 feet. The lower aquifer wells produce from depths up to 430

0 0

County Road 100 N 1 feet deep. In places, the total saturated thickness exceeds 30 feet. 4

1 feet to more than 250 feet (where glacial deposits have filled bedrock valleys). Wells

T. 25 N. 6

d a

6 a

T. 24 N. 1 4 3 2 1 completed in the Bluffton Till Aquifer System are capable of meeting the needs of most o 5 5 o

2 4 2 1 R

27-04640 - IN 3 R

domestic and some high-capacity users in Grant County. However, approximately 22 Southeast of the town of Arcana a small tributary enters the buried y

SR 18 y t

3 t n

6 5 4 n percent of wells started in this system utilize the underlying bedrock aquifer. Saturated valley system. This portion of the buried valley has very little u 2 1 u

3 o

4 o deep potential. C C aquifer materials include sand and/or gravel deposits that are commonly 5 to 25 feet thick 27-02191 - PS SR 18 and are generally overlain by 25 to 140 feet of till. This system is capable of meeting the needs of domestic and some high-capacity users in 27-03619 - PS Wells producing from the Bluffton Till Aquifer System are typically 60 to 115 feet deep. Grant County. However, approximately 15 percent of wells started in this system utilize r 7 uga 10 Domestic well capacities are commonly 10 to 50 gallons per minute (gpm). Static water the underlying bedrock aquifer. The most utilized aquifer layers in the Bluffton Complex 12 8 L 11 12 11 9 8 9 12 levels generally range from 15 to 60 feet below the surface. There are 3 registered Aquifer System are generally 10 to 30 feet thick sands and/or gravels overlain by a till

T 7 10 7 8 9 10 C a 11 12 11 re significant ground-water withdrawal facilities ( total of 10 wells) with reported yields that cap which is commonly 30 to 80 feet thick. Wells in this system are typically completed 9 y 10 ek l at depths ranging from 70 to 140 feet. Domestic well yields are commonly 15 to 50 gpm o range from 50 to 518 gpm.

r County Road 100 S Jadden Arcana and static water levels are generally 30 to 70 feet below the surface. There are 10 County Road 100 S The Bluffton Till Aquifer System typically has a low susceptibility to surface registered significant ground-water withdrawal facilities (27 wells) utilizing this system contamination because intratill sand and gravel units are commonly overlain by thick and individual wells produce 22 to 1600 gpm. 18 16 15 glacial till. Shallow wells completed in this system are moderately susceptible to Cr 15 14 14 eek 17 16 13 13 contamination. The Bluffton Complex Aquifer System is not very susceptible to contamination where 16 15 13 17 14 18 17 13 18 overlain by thick clay deposits. However, in some areas where surficial clay deposits are 15 14 16 Home Co thin, the shallow aquifer, if present, is at moderate to high risk. Michaelsville unty Road 200 S Corner 69

County Road 200 S

Roseburg Wabash River and Tributaries Outwash

0 S 4 20 21 24 23 24 19 22 23 Aquifer Subsystem d 27-04606 - EP 22 a 24 20 o 22 23 24 21 S Herbst 20 R 19 22 19 R 21

23 y 21 t k 1 n e 5 The Wabash River and Tributaries Outwash Aquifer System is mapped along part of the

u e County Road 300 S o r Mississinewa River in southeastern Grant County. The Wabash River and Tributaries

C C County Road 300 S Outwash Aquifer Subsystem has the potential to meet the needs of domestic and some high-capacity users. However, approximately 8 percent of wells started in this system Swayzee Walnut utilize the underlying bedrock aquifer. The few wells utilizing this system in Grant 29 25 26 25 30 27 27 26 25 28 28 County have been reported at depths of 65 to 100 feet. Saturated aquifer materials 27 26 30 29 29 Sims e 28 include sand and/or gravel deposits that are commonly 10 to 30 feet thick and are 26 25 30 ip 27-02656 - IR P generally overlain by 10 to 30 feet of clay. Yields for these wells are 10 to 25 gpm with 27 County Road 400 S Creek 28 static water levels ranging from 20 to 35 feet below the surface. County Road 400 S Gas City Areas within this aquifer system that have overlying clay or silt deposits are moderately 33 susceptible to surface contamination; whereas, areas that lack overlying clay or silt 35 36 31 32 34 35 36

3 36 31 32 deposits are highly susceptible to contamination. 1 34 34 33 35 31 32 33

R 36 27-04547 - IR 34 35

33 S SR 22 County Road 500 S T. 24 N.

27-00320 - PS 35 E

T. 23 N. 0

Cole 0

Jonesboro 5 27-00321 - PS

T. 24 N. d

35 a

W o

T. 23 N. 4 6 5 4 3 2 0 1 0.5 0 1 Mile

3 2 R 1 1

y 7 6 t 1 3 n d 4 5 u a 5 2 27-02249 - PS 6 o

3 2 o 1 C 4 R Coun

ty Road 600 S

n u

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Map Use and Disclaimer Statement This map was created from several existing shapefiles. Township and Range Lines of Indiana (line shapefile, 20020621), Land Survey Lines of Indiana (polygon shapefile, 20020621), Unconsolidated Aquifer Systems of Grant County, Indiana We request that the following agency be acknowledged in products derived and County Boundaries of Indiana (polygon shapefile, 20020621), were all from the Indiana from this map: Indiana Department of Natural Resources, Division of Water. Geological Survey and based on a 1:24,000 scale. Draft road shapefiles, System1 and System2 by Map generated by Scott H. Dean (line shapefiles, 2003), were from the Indiana Department of Transportation and based on a 1:24,000 Gregory P. Schrader and Robert A. Scott IDNR, Division of Water, Resource Assessment Section This map was compiled by staff of the Indiana Department of Natural scale. Populated Areas in Indiana 2000 (polygon shapefile, 20021000) was from the U.S. Census Resources, Division of Water using data believed to be reasonably accurate. Bureau and based on a 1:100,000 scale. Streams27 (line shapefile, 20000420) was from the Center Division of Water, Resource Assessment Section However, a degree of error is inherent in all maps. This product is distributed for Advanced Applications in GIS at Purdue University. Managed Areas 96 (polygon shape file, “as is” without warranties of any kind, either expressed or implied. This map various dates) was from IDNR. Unconsolidated aquifer systems coverage (Schrader, 2008) was based is intended for use only at the published scale. on a 1:24,000 scale. June 2009

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Rigdon Hillshade Map of Grant County, Indiana

Map Use and Disclaimer Statement Potentiometric Surface Map of the Unconsolidated Aquifers of Grant County, Indiana