found: WorldCat, Sept. 28, 2006(palaeohydrology)
found: Alabama Water Quality Information System WWW site, Jan. 12, 2007(Paleohydrology: Study of hydrologic processes and events, using geological, botanical, and cultural evidence, that occurred before the beginning of the systematic collection of hydrologic data and observations)
found: A framework for characterization of extreme floods for dam safety risk assessments via WWW, Jan. 12, 2007(Paleoflood hydrology is the study of past or ancient flood events which occurred prior to the time of human observation or direct measurement by modern hydrological procedures (Baker, 1987))
