Figure 1: Earth's Temperatures (Geothermal Education Office)
Figure 2: The Formation of a Geothermal Reservoir (Geothermal Education Office)
Figure 3: Typical Direct Use Geothermal Heating System Configuration ( Geo-Heat Center)
Figure 4: Geothermal Heat Pump Diagram ( Geo-Heat Center)
Figure 5: Flash Power Plant Diagram ( Geo-Heat Center)
Figure 6: Dixie Valley, NV, Flash Power Plant
Figure 7: The Geysers, CA, Dry Steam Plant (Geothermal Education Office)
Figure 8: Dry Steam Plant Diagram (Geothermal Education Office)
Figure 9: Binary Power Plant ( Geo-Heat Center)
Figure 10: Burdett, NV, Binary Power Plant (Ormat Technologies)
Figure 11: Flash/Binary Power Plant Diagram ( Geo-Heat Center)
Figure 12: Puna, HI, Flash/Binary ( Ormat Technologies)
Figure 13: Kalina Power Plant in Husavik, Iceland ( Glitnir Bank)
Figure 14: Renewable Energy Generation in California 1983-2006 ( California Energy Commission)
Figure 15: Chena Hot Springs, AK, Gains Distributed Generation Begins in 2006 (UTC Power)
Figure 16: Geopressured Demonstration Plant in Texas (Richard Campbell, TIC)
Figure 17: Soultz, France, 1.5-MW EGS Power Plant ( Soultz Project, France)
Figure 18: United States Heat Flow Map (SMU Geothermal Laboratory)
Figure 19: Hydrothermal Areas in the Western United States ( Idaho National Laboratory)
Figure 20: SMU Estimated Co-Produced Geothermal Potential (Southern Methodist University)
Figure 21: Geopressured Basins in the United States ( U.S. Department of Energy)
Figure 22: Location of Geothermal Projects and Resources ( Geo-Heat Center)
Figure 23: Geothermal Heat Pump Installations in 2006 (Dan Ellis, Climate Master)
Figure 24: 30- Year Land Use Comparison
Figure 25: Flowing Steam Through a Silencer at Coso, a Double Flash Plant in California ( U.S. Navy Geothermal. Program Office)
Figure 26: Blue Lagoon, Iceland, Draws Tourists to its Geothermal Hot Springs ( Geo-Heat Center)
Figure 27: Levelized Costs of Selected Technologies ( California Energy Commission)
Figure 28: Steam Rising from a Geothermal Power Plant (Geothermal Education Office)
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