100

90

80

70

60

50

40

30

20

10

0

100

80

60

40

20

0

–20

–40

–60

80

60

40

20

0

–20

–40

–60

60

40

20

0

–20

–40

–60

–80

80

70

60

50

40

30

20

10

0

80

70

60

50

40

30

20

10

0

70

60

50

40

30

20

10

0

120

100

80

60

40

20

0

DWRMarietta Monitoring Station

DWRWest Research Campus Station

DWRGold Point Station

DWRCremo Station

DWRBoardman Monitoring Station

DWRBladenboro Monitoring Station

DWRWhite Lake Prison Monitoring Station

DWRSix Runs Monitoring Station

1970 1975 1980 1985 1990 1995 2000 2005 1970 1975 1980 1985 1990 1995 2000 2005 1975 1980 1985 1990 1995 2000 2005 1975 1980 1985 1990 1995 2000 20051981 1982 1983 1984 1985 1986 1987 1988 1989

EXPLANATIONMostly sand with smaller amounts of clay or silt.Clay or siltBasement materialLimestoneFreshwater - saltwater transition zone (250 parts per million interface)Hydrogeologic unit correlationInferred hydrogeologic unit correlation

0 5 MILES

0 5 KILOMETERS

EXPLANATIONMostly sand with smaller amounts of clay or silt.Clay or siltBasement materialFreshwater - saltwater transition zone (250 parts per million interface)Hydrogeologic unit correlationInferred hydrogeologic unit correlation

0 5 MILES

0 5 KILOMETERS

0

ALTI

TUDE

, IN

FEE

T

M 25F1 Surficial aquiferM 25F2 Black Creek aquiferM 25F3 Upper Cape Fear aquiferM 25F4 Upper Cape Fear aquiferM 25F5 Upper Cape Fear aquiferM 25F6 Lower Cape Fear aquifer

J 22P3 Surficial aquiferJ 22P4 Yorktown aquiferJ 22P2 Black Creek aquiferJ 22P5 Upper Cape Fear aquiferJ 22P1 Upper Cape Fear aquiferJ 22P7 Upper Cape Fear aquiferJ 22P6 Lower Cape Fear aquifer

APR. JUNE AUG.2006 2007

OCT. DEC. FEB. APR. 2002 2003 2004 2005 2006 2007 2008 1970 1975 1980 1985 1990 1995 2000 2005 2010

G 19B2 Yorktown aquifer

G 19B3 Upper Cape Fear aquifer

G 19B6 Upper Cape Fear aquifer

G 19B5 Lower Cape Fear aquifer

G 19B4 Lower Cape Fear aquifer

1 (15 ppm CL,Feb. 1997)

2 (4 ppm CL, Feb. 1997)

3 (4 ppm CL, Feb. 1997)

4 (149 ppm CL, Feb. 1997)

5 (28 ppm CL, Jan. 1997)

DWRMarietta(BB 45M)

SP

G5 28 29 30 31 32 33 34 35 36 37

GR SPR

AshpoleSwamp

IndianSwamp

FlowersSwamp

BigSwamp

Cape FearRiver South

River

BlackRiver

GoshenSwamp

Surficial aquifer

Peedee aquifer

DWRBoardman

Station(AA 43Q)SP GR SPR

LumberRiver

DWRBladenboro

Station (Z 41M)SP GR SPR

DWRElizabethtown

Station (Y 39M) DWRWhite Lake PrisonResearch Station (Y 38B)

DWRWhite Lake Farm

Well No. 5 (Y 37E)DWR

Black Lake (X 36P)

SP

GR

SPR

SP

SPGRGR

SPR

SPR

SPGR

SPR

DWRSix Runs Station (V 35T)

SP

GR

SPR

Town of Warsaw (T 32Y)GR SPR

Carolina Turkeys (S 31A)

GRSP SPR

GRSP SPR

Black Creek aquifer

Upper

Surficial aquifer

Peedee/Crouch Branch aquiferPeedee/Crouch Branch confining unit

Black Creek/McQueen branch tinu gninfinoc

Black Creek/McQueen Branch

aquifer

Upper Cape Fear/Charleston aquifer

Upper Cape Fear/Charleston

confining unit

Cape Fear aquifer

Lower CapeFear

aquifer

Upper Cape Fear aquifer

Black Creek aquifer

Surficialaquifer

Peedee aquifer

Basement

Surficial aquifer

Yorktown aquifer

BlackCreek aquifer

Upper Cape Fear aquifer

BlackCreek aquifer

Upper Cape Fear aquifer

Beaufortaquifer

LowerCape

Fearaquifer

Lower Cape Fear aquifer

Basement

4 (16 ppm CL, Nov. 1996)

1

2, 3

(8.3 ppm CL, Apr. 2004)

1

2

3

1

2

3

4 (0 ppm CL, Sept. 2004)

6 (39 ppm CL, Sept. 2004)

5

1

GRSP SPR1

2

3

4

2 (0 ppm CL, Mar. 2006)

3 (0 ppm CL, Mar. 2006)

4 (0 ppm CL, Mar. 2006)

5 (67 ppm CL, Mar. 2006)

6 (477 ppm CL, Mar. 2006)

1

2 (0 ppm CL, Sept. 2004)

3 (0 ppm CL, Sept. 2004)

4 (0 ppm CL, Sept. 2004)

7 (823 ppm CL, Sept. 2004)

6 (384 ppm CL, Sept. 2004)

1 (7 ppm CL, June 1975)

2 (0 ppm CL, Sept. 2004)

3 (0 ppm CL, Sept. 2004)

4 (102 ppm CL, Sept. 1999)

5 (1,960 ppm CL, Sept. 1999)

ENRMaury Research Station (O 27J)

GRSP SPR

DWRWest Research

Campus (M 25F2)SPR

SPGR

DWRGold Point Station (J 22P)

SPR

SP

GR

DWRCremo Station (G 19B)

SPRSPGR

DWRGates County Prison (C 16Q)

North LenoirWater Corporation (P 28W)

Surficial aquifer

Yorktown aquifer

Castle Hayneaquifer

NeuseRiver

LittleContentnea Cr.

TarRiver

RoanokeRiver

CashieRiver

AlbemarleSound

38 39 40 22

F-F’41

G’E-E’

16-inch Res16-inch Res

AA 43Q1 Upper Cape Fear aquifer

ppm Parts per millionCL Chloride

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

0

ALTI

TUDE

, IN

FEE

T

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

Virginia

North Carolina

32°

33°

34°

35°

36°

75°76°77°78°79°80°81°82°

Georgia

SouthCarolina

EXPLANATION

Cross-section linesWell and well number

0 100 MILES50

0 100 KILOMETERS50

68

69

70

71

72

1D

D’

GI’

H

23

45

8

67

910

20

19181716

15

14

1312

1121

22

2423 25 26

27

31

302928

3233

34

3536

3738

4039

51

5049

48

4746

45

4443

41

42

52

53

54

55

56

64

58

59

60

66

63

65

57

61

62

67

60

A

A’

I

B

B’

C

C’

G’

F F’

E’

E

A A’

Locations of wells and cross sections in North and South Carolina

H’

Base from digital files of:U.S. Department of Commerce, Bureau of Census, 1990 Precensus TIGER/Line Files-Political boundaries, 1991U.S. Environmental Protection Agency, River File 3U.S. Geological Survey, 1:100,000 scale

Atlantic

Ocean

PROFESSIONAL PAPER 1773Southwest to Northeast Hydrogeologic Cross Section G–G’

through the North Carolina Coastal Plain—PLATE 5Campbell, B.G., and Coes, A.L., eds., 2010, Groundwater availability in the Atlantic Coastal Plain

of North and South Carolina

Southwest to Northeast Hydrogeologic Cross Section G–G’ through the North Carolina Coastal PlainEdited by

Bruce G. Campbell and Alissa L. Coes2010

U.S. DEPARTMENT OF THE INTERIORU.S. GEOLOGICAL SURVEY

0

ALTI

TUDE

, IN

FEE

T

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

0

ALTI

TUDE

, IN

FEE

T

200

100

–100

–200

–300

–400

–500

–600

–700

–800

–900

–1,000

–1,100

BB 45M6 Surficial aquiferBB 45M5 Peedee aquiferBB 45M4 Black Creek aquiferBB 45M3 Black Cree aquiferBB 45M2 Upper Cape Fear aquifer

Z 41M1 Surficial aquiferZ 41M4 Peedee aquiferZ 41M3 Peedee aquiferZ 41M2 Upper Cape Fear aquifer

Y 38B5 Surficial aquiferY 38B7 Black Creek aquiferY 38B6 Upper Cape Fear aquifer

V 35T3 Surficial aquiferV 35T5 Black Creek aquiferV 35T7 Black Creek aquiferV 35T6 Upper Cape Fear aquiferV 35T8 Upper Cape Fear aquiferV 35T4 Lower Cape Fear aquifer

WAT

ER-L

EVEL

ALT

ITUD

E, IN

FEE

T W

ATER

-LEV

EL A

LTIT

UDE,

IN F

EET