Hi Jim,
You may look up the following references:

1) Friedman I., Smith G.I., Gleason J.D., Warden A. and Harris J.M., 1992,
Stable isotope composition of waters in southeastern California: 1. Modern
precipitation, J. Geophys. Res. 97 (D5), 5795-5812.

2) Smith G.I., Friedman I., Gleason J.D. and Warden A., 1992, *** 2.
Groundwaters and their relation to modern precipitation, J. Geophys. Res.
97(D5), 5813-5823.

3) Yang W., Spencer R.J. and Krouse H.R., 1997, Stable isotope compositions
of waters and sulfate species therein, Death Valley, California, USA:
Implications for inflow and sulfate sources, and arid basin climate, Earth
and Planetary Science Letters, 147, 69-82.

Best wishes.
Wenbo Yang

At 07:05 AM 1/12/98 -0700, you wrote:
>Dear list members,
>
>I have been trying without success to locate any data for stable carbon
>isotopes in precipitation from the western United States (specifically
>California).  Can someone direct me to those types of measurements?  Thanks
>in advance.
>
>jim
>
>Jim B. Finley, Ph.D.
>Shepherd Miller, Inc.
>3810 Automation Way, Suite 100
>Fort Collins, CO  80525
>USA
>
>tele:  (970)223-9600
>FAX: (970)223-7171
>