NITROGEN- 15

ISOTOPES

(g)

PINE GROVE

3/90/90

Nitrogen isotope values in parts per 10. differences,
515N for private water-supply wells in Pine Grove-
DJpr Pnrk Rtibdivision. March 1990.

0

5.5                   PINE ROAD
5.2  5
5.2
CTH SS
GROUND WATER
FLOW
0   330 FEET                               NORTH
S 1/2, SEC 22, T27N, R8W

Figure 6.