>Hi,
>I'm currently working on a project looking at recharge/discharge
>relationships for the springs that form the Henrys Fork of the Snake river
>and emerge from the western edge of the Yellowstone Plateau.  Part of the
>research will be to establish oxygen and hydrogen isotope ratios for
>precipitation and springs in the western section of Yellowstone Park and
>the eastern section of the Island Park caldera.
>Has anybody out there collected any of this kind of data for this region?
>Or can anybody point me in the right direction to find previous research of
>this kind?
>Thanks very much,
>Lyn Benjamin
>
>
>
>
>Lyn Benjamin
>Consulting Hydrologist
>P.O. Box 564
>Victor, ID 83455
>208-354-3556
>[log in to unmask]

Lyn,

Contact Dr. Irving Friedman - he has done more work in this area than
anybody else as far as I know.

Hal Karlsson