Yellowstone's Geysers
http://www.geyserstudy.org/browsebasins.aspx?pField=YNP

David Monteith, Geyser Observation and Study Association


This web site provides detailed information about the active geysers in Yellowstone National Park. Features of the site include maps of the geyser locations, photographs, the eruption history of various geysers, a description of events that indicate an eruption is imminent, and a description of the eruptions.

This resource is referenced here:
Subject: Geoscience:Hydrology:Ground Water
Resource Type: Scientific Resources:Overview/Reference Work, Audio/Visual:Images/Illustrations
Topics: Hydrosphere/Cryosphere:Groundwater