Low temperature geothermal fluid is defined in OAR Chapter 690, Division 65 as any ground water used for its thermal characteristics that is encountered in a well with a bottom hole temperature less than 250°F...

Water and geology: how does geology control where you find and how you use water? / Roddey, James -- Through the eyes of the state geologist / Beaulieu, John D. -- What is groundwater? -- Geology and...

Determining Surface Water Availability in Oregon