Background and Data Limitations
Project Purpose
Disclaimer
Source Data
Team
Funding
Project Purpose
Oregon finds itself with a critical need given the current energy situation – a better understanding of how its geothermal resources can contribute to the increasing demand for electricity and applications in direct-use. The purpose of the Geothermal Information Layer for Oregon (GTILO) is to compile and tabulate past geothermal exploration and development activities in Oregon and integration of the results into a comprehensive database.
The goal of the project is two-fold: 1) establish a database of the state's geothermal resources that is an effective means to communicate Oregon's geothermal potential and 2) promote future investment in geothermal energy. Also, GTILO furthers the mission of the Department for geothermal energy studies and directly relates to the state's Renewable Portfolio Standards (RPS). The RPS fosters market demand and essentially makes the state's utilities meet a specific renewable capacity requirement, "green" power with a power generation capacity of 25 percent by 2025. Geothermal power could become an important part of the state's renewable mix as a firm, dependable supply of electric power – any time – and for energy saving non-electrical purposes (low-temperature direct-use applications). See Resources and Download Data for geothermal data sources used.
Project Objective(s)
- Establish a statewide geothermal database with Departmental geothermal datasets
- Communicate results
- Make available online
Approach
The information that has been collected on the location, temperature, and other features of thermal springs and wells (geothermal exploration, geothermal test, and water wells) has been compiled from various sources. Although the data set for GTILO is statewide in extent, coverage varies from county to county because the data collection was contingent upon a variety of published and unpublished literature sources, exploration activities, or research programs with which we have not established ties. These datasets may contain some errors, but care has been taken to prevent duplications and omissions. The sources of information are indicated by reference identification codes, which correspond to the same codes in the companion annotated bibliography.
Thermal springs and water well data are included here that have temperatures of 68°F (20°C) and above. However, the use of the term "warm" in a spring's name or well's name has led to listing them in this database. A characteristic of thermal springs in Oregon is that they usually represent a group of affiliated springs. Examples of thermal springs that constitute “one” group of hot springs are: Borax Springs, Mickey Springs, and Alvord Springs. In previous studies, it was customary to count each spring group but not every spring in that group. However, the University of Idaho counted each spring in the three spring groups mentioned above. For this compilation, we did the same but only when a spring, which would have been otherwise included in a group, was separately shown on a U.S. Geological Survey 1:24,000-scale quadrangle map.
Outcome Statement
GTILO's outcome and the methods used for the compilation work are briefly explained in the text that follows. The work can be broken down into four outcomes, including each of their key project development activities:
Outcome 1: First priority was given to electronic capture of the Department's geothermal research, which spans more than two decades (1970s through the 1980s). Some of the results have been published in the nearly fifty reports that the Department prepared documenting Oregon's geothermal resources (Clark, 2003), but others have not. Also, this task included compiling permit information for over 1,100 geothermal exploration wells and geothermal wells. In addition, digital information on Oregon's geothermal resources was checked in the following databases:
- Geo-Heat Center's Western States Geothermal Databases CD
- Southern Methodist University (SMU) Geothermal Laboratory's Western Geothermal Areas Database of the U.S.
- Geothermal information from the United States Geological Survey (USGS).
- Geothermal spring data from the University of Idaho
- The Great Basin Center for Geothermal Research, University of Nevada, Reno
Where Departmental records were lacking, incomplete, or appear to be of poor quality, data in the aforementioned databases were included in GTILO. However, budgetary limitations and the project's short performance period precluded taking full and exhaustive advantage of the available geothermal data relevant to Oregon.
Outcome 2: Characterization of Oregon's geothermal resources and establishment of a statewide database of geothermal systems uses a Geographic Information System (GIS). GIS functionality is achieved through a geospatial database — files were created in MapInfo .tab format and translated to ESRI, ArcView .shp format for greater accessibility, in the Oregon Lambert Projection. Metadata and results of a geothermal bibliography search accompany the GIS files.
The dataset for this release of GTILO is a collection of six files:
-
Geothermal Springs – An inventory of hot and warm springs (20°C and above) with tabulation of their water chemistry where available
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Low (20°C and above) Temperature Wells – A inventory of water chemistry and temperature gradient information for water wells
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Geothermal Exploration Wells – An inventory of geothermal exploration wells with temperature gradient information
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Geothermal Wells – An inventory of geothermal test wells with temperature gradient information
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Known Geothermal Resources Areas – KGRA are those areas that have conditions favorable for the discovery of thermal water of sufficient temperature to make electricity and for energy saving non-electrical purposes
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Direct-Use Areas – Those areas that have conditions favorable for the discovery of thermal water of sufficient temperature for energy saving non-electrical purposes.
Outcome 3: Recognizing the growing use of the Internet and other online methods, the Department launched a web mapping application to host GTILO. This system allows users free access to the geothermal datasets and ability to interactively view, create, print, and copy geothermal maps. To this end, GTILO's datasets are linked to MapServer, an open-source internet application that renders spatial data (maps, images, and vector data) for the web.
Outcome 4: The GIS datasets for GTILO are available to everyone as a free download (a zipped copy). This site also allows free access to geophysical data in the form of scanned borehole-geophysical logs for many of the geothermal wells.
Impact/Technical Merit
GTILO serves not only as a quick source of Oregon's important geothermal background information, but also (1) facilitates study of potential geothermal resource areas; (2) enhances our ability to test hypothesis using GIS analysis; and (3) supports modeling efforts to locate "hidden" geothermal systems. GTILO is also relevant for anyone interested in geothermal energy in Oregon, including researchers, developers, and policy makers. The merit of GTILO goes to answering this fundamental question, what is the extent to which geothermal resources can contribute to the increasing demand for electricity and application of direct use in Oregon?
^ TOPDisclaimer
Although the data have been processed successfully on a computer system at the Oregon Department of Geology and Mineral Industries (DOGAMI), no warranty expressed or implied is made regarding the accuracy or utility of the data on any other system or for general or scientific purposes, nor shall the act of distribution constitute any such warranty. This disclaimer applies both to individual use of the data and aggregate use with other data. We also urge you to pay careful attention to the contents of the metadata file associated with these data and to the compilation process and limitations described therein. The Oregon Department of Geology and Mineral Industries shall not be held liable for improper or incorrect use of the data described and/or contained herein. Data are not intended for site-specific investigations.
The GTILO project is a work in progress. DOGAMI reserves the right to update data on this web site without notification as new information becomes available.
^ TOPSource Data
See Download Data for full GTILO reference information. Note that some sources, such as Brown et al., 1980, contain multiple plates or figures. Each plate or figure counts as one source. You can use the Info Query tool on the web map to see the Reference ID of the source data used at any particular location on the compilation map. DOGAMI source publications are available for viewing at state university libraries and at DOGAMI main and branch office libraries. You can purchase DOGAMI source publications from Nature of the Northwest.
| Reference ID | Reference |
|---|---|
| AMAX1998a | Amax Exploration, Inc., 1998 data release, Beulah, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, map and lithology data, Holes B 1-14, 1975. (AMAX-5). |
| AMAX1998b | Amax Exploration, Inc., 1998 data release, Burns, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, map and lithology data, Holes BN 1-13, 1975. (AMAX-8). |
| AMAX1998c | Amax Exploration, Inc., 1998 data release, La Grande, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, map and lithology data, Holes LG 1-14, 1975. (AMAX-7). |
| AMAX1998d | Amax Exploration, Inc., 1998 data release, North Vale, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, map and lithology data, Holes NV 1-18, 1975. (AMAX-2). |
| AMAX1998e | Amax Exploration, Inc., 1998 data release, Vale, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, map and lithology data, Holes V 1-19, 1975. (AMAX-1). |
| AMAX1998f | Amax Exploration, Inc., 1998 data release, Wagontire, Oregon, Temperature-depth, gradient, thermal conductivity, heat flow, and map for 11 wells, (Burns AMS). |
| AresJF1998 | Arestad, J.F., R.W. Potter II, and G.E. Stewart, Stratigraphic test drilling in the Newberry Crater KGRA, Oregon, Geothermal Resources Council Bulletin, p. 3-8, Nov. 1988. (M43). |
| AshwMS1982 | Ashwell, M.S., 1982, Thermal springs near Madras, Oregon, Oregon Geology v. 44, n. 01. |
| AyreFR1951 | Ayres, F.D., and Creswell, A.E., 1951, The Mount Hood Fumaroles, Mazama, v. 33, n. 13, p. 33-40. |
| BacoCR1983 | Bacon, C.R., 1983, Eruptive history of Mount Mazama, Cascade Range, U.S.A., Journal of Volcanology and Geothermal Research, v. 18, p. 57-115. |
| BacoCR1996 | Bacon, C. R., and Nathenson, Manuel, 1996, Geothermal resources in the Crater Lake area, Oregon: U. S. Geological Survey Open-File Report 96-663, 34 pages |
| BargKE1990 | Bargarv, K.E., 1990, Hydrothermal alteration in geothermal drill hole CTGH-1, High Cascade Range, Oregon, Oregon Geology v. 52, n. 04. |
| BargKE1994 | Bargarv, K.E., 1994, Hydrothermal alteration in the SUNEDCO 58-28 geothermal drill hole near Breitenbush Hot Springs, Oregon, Oregon Geology v. 56, n. 04. |
| BargKE1999 | Bargar, K.E., and Keith, T.E., 1999, Hydrothermal mineralogy of core from geothermal drill holes at Newberry volcano, Oregon, U.S. Geological Survey professional paper 1578, p. 83-86. |
| BarrW1980 | Barrish, W., Bond, J.G., Kauffman, J.D., and Vendatakrishnan, R., 1980, Geology of the La Grande area, Oregon, Oregon Department of Geology and Mineral Industries. |
| BenoWR1983 | Benoit, W.R., 1983, An explorationist viewpoint of the high-temperature geothermal potential of the Cascade range in Oregon, Geothermal Resources Council Transaction, v. 7, p. 227-232, 1983. |
| BensSM1984a | Benson, S.M., et. al., 1984, Data from pumping and injection tests, and chemical sampling in the geothermal aquifer at Klamath Falls, Oregon U.S. Geological Survey Open-File Report OFR 84-146. |
| BensSM1984b | Benson, S.M., Sammel, E.A., Solbau, R.D., and Lai, C.H., 1984a, Interpretation of aquifer test data, U.S. Geological Survey Water-Resources Investigations Report 84-4216, p. 5.1-5.55. |
| BergJW1967a | Berg, J.W., Jr., and Thirvuvathukal, J.W., 1967, Gravity maps of Oregon, onshore and offshore, Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-4. |
| BergJW1967b | Berg, J.W., Jr., and Thirvuvathukal, J.W., 1967, Complete Bouguer Gravity Anomaly Map of Oregon, Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-4-b, map. |
| BerrDA1984 | Berri, D.A., 1984, Geology and Hydrothermal Alteration, Glass Buttes, Southeast Oregon, Oregon Geology v. 46, n. 08. |
| BerrGW1980 | Berry, G.W., Grim, P.J., and Ikelman, J.A., 1980, Thermal springs list for the United States, National Oceanic and Atmospheric Administration Documentation 12. |
| BlacDD1969 | Blackwell, D.D., 1969, Heat flow determinations in the northwestern United States, J. Geophys. Res., 74, 992-1007, 1969. |
| BlacDD1978 | Blackwell, D.D., Hull, D.A., Bowen, R.G., and Steele, J.L., 1978, Heat flow of Oregon, Oregon Department of Geology and Mineral Industries Special Paper 4, 42 p. 1 pl., 1:1,000,000. |
| BlacDD1979 | Blackwell, D.D., 1979, Heat flow and geothermal gradient study of the Newberry Volcano and vicinity, Central, Oregon, Report for OXY Geothermal, Inc., p. 25, Mar. 1979. (M20). |
| BlacDD1981a | Blackwell, D.D., Black, G.L., and Priest, G.R., 1981, Geothermal gradient data for Oregon, 1981, Oregon Department of Geology and Mineral Industries Open-File Report O-81-03, 3 parts (a, b, and c), 374 p. |
| BlacDD1981b | Blackwell, D.D., 1981, Aspects of low temperature geothermal resource assessment with examples from Kansas and Oregon, p. 1-22, Glenwood Springs Tech. Conf. Proc. I, U. S. Dept. Energy Rep. DOE/ID/12079-39 ESL-59. (DR22) |
| BlacDD1982a | Blackwell, D.D., Black, G.L., and Priest, G.R., 1982, Geothermal gradient data for Oregon (1981), 1982, Oregon Department of Geology and Mineral Industries Open-File Report O-82-04, 430 p. |
| BlacDD1982b | Blackwell, D.D., Bowen, R.G., Hull, D.A., Riccio, J., and Steele, J.L., 1982, Heat flow, arc volcanism, and subduction in central Oregon, Journal of Geophysical Research, v. 87, p. 8735-8754 |
| BlacDD1986a | Blackwell, D.D., Black, G.L., and Priest, G.R., 1986, Geothermal gradient data for Oregon (1982-1984), 1986, Oregon Department of Geology and Mineral Industries Open-File Report O-86-02, 107 p. |
| BlacDD1986b | Blackwell, D.D., Kelley, S.A, and Edmiston, R.C., 1986, Analysis and interpretation of thermal data from the Borax Lake geothermal project, Oregon, Geothermal Resources Council Transaction, 10, 169-174, 1986. (M24) |
| BlacDD1986c | Blackwell, D.D., and Kelley, S.A., 1986, Analysis and interpretation of thermal data from the Borax Lake geothermal prospect, Oregon, for Anadarko Petroleum Company, p. 36, May 1986. (M23). |
| BlacDD1987 | Blackwell, D.D., and Steele, J.L., 1987, Geothermal data from deep holes in the Oregon Cascade Range, Geothermal Res. Council Transaction, v. 11, p. 317-322. |
| BlacDD1988a | Blackwell, D.D., and Kelley, S.A., 1988, Analysis and interpretation of thermal data from the Borax Lake geothermal prospect, Oregon, for Anadarko Petroleum Company, p. 36, May 1986. (M23). |
| BlacDD1988b | Blackwell, D.D., and Baker, S.L., 1988, Thermal analysis of the Austin and Breitenbush geothermal systems, Western Cascades, Oregon, Oregon Department of Geology and Mineral Industries Open-File Report O-86-5, p. 47-62. |
| BlacDD1990 | Blackwell, D.D., Steele J.L., Frohme, M.K., Murphey, C.F., Priest, G.R., and Black, G.L., Heat flow in the Oregon Cascade Range and its correlation with regional gravity, Curie point depths, and geology, J. of Geophys. Res., 95, 19475-19493, 1990. |
| BlacDD1992 | Blackwell, D.D., 1992, Thermal Results of the Santiam Pass 77-24 Drill Hole, Oregon Department of Geology and Mineral Industries Open-File Report O-92-03. |
| BlacDD1994 | Blackwell, D.D., 1994, A summary of deep thermal data from the Cascade Range and analysis of the rain curtain effect, Oregon Department of Geology and Mineral Industries Open-File Report O-94-07. |
| BlacDD1995a | Blackwell, D.D., Geothermal gradients in Oregon, 1985-1994, State of Oregon Open-file report O-95-3, DOE Agreement No. DE-BI79-91BP19654, p. 132, 1995. (DR19). |
| BlacDD1995b | Blackwell, D.D., and Wisian, K., 1986, Interpretation of thermal results at Vale, Oregon geothermal system, report for Trans-Pacific Geothermal Corporation, 46 p. March 1995. |
| BlacGL1982a | Black, G.L., 1982, An estimate of the geothermal potential of Newberry Volcano, Oregon, Oregon Geology v. 44, n. 04. |
| BlacGL1982b | Black, G.L., 1982, A revision to the estimate of the geothermal potential of Newberry Volcano, Oregon Geology v. 44, n. 05. |
| BlacGL1983a | Black, G.L., Elliott, M., D'Allura, J., and Purdom, B. 1983, Results of a geothermal resource assessment of the Ashland, Oregon, area, Jackson County, 1983, Oregon Geology v. 45. n. 05. |
| BlacGL1983b | Black, G.L., 1983, Interpretations of the Central Oregon Cascades heat flow anomaly, Geothermal Resources Council Transaction, v. 7, p. 117-122. |
| BlacGL1984 | Black, G.L., Priest, G.R., and Woller, N.M., 1984, Temperature data and drilling history of the Sandia National Laboratories well at Newberry Caldera, Oregon Geology v. 46, n. 01 |
| BlacGL1988 | Black, G.L., and Priest, G.R., 1988, Geothermal exploration in Oregon, 1987, Oregon Geology v. 50., n.10. |
| BlacGL1994 | Black, G.L., 1994, Electrical power generation potential of Newberry volcano and the Oregon Cascade Range, Oregon Department of Geology and Mineral Industries Open-File Report O-94-07 |
| BlacGL1994a | Black, G.L., 1994, Low-temperature geothermal database for Oregon, Oregon Department of Geology and Mineral Industries Open-File Report O-94-08, 178 p., 5 location maps. |
| BlacGL1994b | Black, G.L., and Blackwell, D.D., 1994, Geothermal electrical power generation potential of Newberry volcano and Oregon Cascade Range and A summary of deep thermal data from Cascade Range and analysis of the “rain curtain” effect, DOGAMI OFR O-94-07 |
| BlacGL1994c | Black, G.L., 1994, Digital data and selected text from low-temperature geothermal database for Oregon, Oregon Department of Geology and Mineral Industries Open-File Report O-94-09. |
| BlanHR1973 | Blank, H.R., Jr., 1973, Geothermal Investigations in Eastern Oregon: A report on work carried out on behalf of Eugene Water and Electric Board, Department of Geology, University of Oregon, Eugene, Oregon. |
| BlisJD1983 | Bliss, J.H., 1983, Oregon; basic data for thermal springs and wells as recorded in GEOTHERM: U.S. Geological Survey Open-File Report 83-435, 342 p. |
| BlooRG1985 | Bloomquist, R.G., Black, G. L., Parker, D. S., Sifford, A., Simpson, S. J., Street, L.V., 1985, Evaluation and Ranking of Geothermal Resources for Electrical Generation or Electrical Offset in Idaho, Montana, Oregon and Washington: BPA, USDOE, p. 1-504 |
| BlooRG1991 | Bloomquist, R.G., 1991, Geothermal, A Regulatory Guide to Leasing, Permitting, and Licensing in Idaho, Montana, Oregon and Washington: Bonneville Power Administration, 1-277. |
| BodvG1966 | Bodvarsson, G., 1966, Energy and power of geothermal resources, Oregon Geology v. 28, n. 07. |
| BodvG1974 | Bodvarsson, G., Couch, R.W., MacFarlane, W.T., Tang, R.W., and Whitsett, R.M., 1974, Telluric current exploration for geothermal anomalies in Oregon, Oregon Geology (formerly The Ore-Bin) v. 36, n. 6., p. 93-106 |
| BoweRG1970a | Bowen, R.G., and Peterson, N.V., 1970, Thermal springs and wells in Oregon, Oregon Department of Geology and Mineral Industries Miscellaneous Paper MP-14, 1 map, 1:1,000,000. |
| BoweRG1970b | Bowen, R.G., 1970, How long? How long?, Oregon Geology v. 32, n. 10. |
| BoweRG1971 | Bowen, R.G., 1971, Geothermal activity in 1970, Oregon Geology v. 33, n. 01. |
| BoweRG1972a | Bowen, R.G., 1972, Geothermal activity in 1971, Oregon Geology v. 34, n. 01. |
| BoweRG1972b | Bowen, R.G., 1972, Geothermal gradient studies in Oregon, Oregon Geology v. 34, n. 04. |
| BoweRG1973 | Bowen, R.G., 1973, Geothermal activity in 1972, Oregon Geology v. 35, n. 01. |
| BoweRG1974 | Bowen, R.G., 1974, Geothermal activity in 1973, Oregon Geology v. 36, n. 01. |
| BoweRG1975a | Bowen, R.G., Compiler, 1975, Geothermal gradient data (of 75 bore holes, mostly east of Cascades), 1970-1974, 1975, Oregon Department of Geology and Mineral Industries Open-File Report O-75-03, 133 p. |
| BoweRG1975b | Bowen, R.G., Blackwell, D.D., and Hull, D.A., 1975, Geothermal studies and exploration in Oregon, Oregon Department of Geology and Mineral Industries Open-File Report O-75-07, 65 p. |
| BoweRG1975c | Bowen, R.G., and Blackwell, D.D., 1975, The Cow Hollow geothermal anomaly, Malheur County, Oregon, Oregon Geology v. 37, n. 07. |
| BoweRG1975d | Bowen, R.G., 1975, Geothermal activity in 1975, Oregon Geology v. 37, n. 01. |
| BoweRG1976 | Bowen, R.G., Blackwell, D.D., Hull, D.A., and Peterson, N.V., 1977, Progress report on heat-flow study of the Brothers fault zone, central Oregon, Oregon Geology v. 38, n. 03. |
| BoweRG1977 | Bowen, R.G., Blackwell, D.D., and Hull, D.A., 1977, Geothermal exploration studies in Oregon, Oregon Department of Geology and Mineral Industries Miscellaneous Paper 19, 50 p. |
| BoweRG1978 | Bowen, R.G., Peterson, N.V., and Riccio, J.F., 1978, Low-to intermediate-temperature thermal springs and wells in Oregon, Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-10, 1 map, 1:1,000,000 |
| BrooCA1979 | Brook, C.A., Mariner, R.H., Mabey, D.R., and Swanson, J.R., 1979, Hydrothermal convection systems with reservoir temperatures greater than 90 C, U.S. Geological Survey Circular 790, p. 18-85. |
| BrowDE1980a | Brown, D.E., Black, G.L., McLean, G.D., and Petros, J.R., 1980, Powell Buttes area, Oregon Department of Geology and Mineral Industries Open-File Report O-80-08, 117 p., 1 map, 1:62,500. |
| BrowDE1980b | Brown, D.E., McLean, G.D., and Black, G.L., 1980, Preliminary geology and geothermal resource potential of the southern Harney Basin, Oregon Department of Geology and Mineral Industries Open-File Report O-80-07, 90 p., 8 maps, geologic map, 1:62,500. |
| BrowDE1980c | Brown, D.E., McLean, G.D., and Black, G.L., 1980, Preliminary geology and geothermal resource potential of the northern Harney Basin, Oregon Department of Geology and Mineral Industries Open-File Report O-80-06, 52 p., 4 maps, geologic map, 1:62,500. |
| BrowDE1980d | Brown, D.E., McLean, G.D., and Black, G.L., 1980, Preliminary geology and geothermal resource potential of the western Snake River Plain, Oregon Department of Geology and Mineral Industries Open-File Report O-80-05, 114 p., 4 maps, geologic map, 1:62,500. |
| BrowDE1980e | Brown, D.E., McLean, G.D., and Black, G.L., 1980, Preliminary geology and geothermal resource potential of the Craig Mountain-Cove area, Oregon Department of Geology and Mineral Industries Open-File Report O-80-04, 68 p., 1 map, 1:250,000. |
| BrowDE1980f | Brown, D.E., McLean, G.D., Woller, N.M., and Black, G.L., 1980, Willamette Pass area, Oregon Department of Geology and Mineral Industries Open-File Report O-80-03, 65 p., 1 map, 1:62,500. |
| BrowDE1980g | Brown, D.E., McLean, G.D., Woller, N.M., and Black, G.L., 1980, Belknap-Foley area, Oregon Department of Geology and Mineral Industries Open-File Report O-80-02, 55 p., 1 map, 1:62,500. |
| BrowDE1982a | Brown, D.E., 1982, Map showing geology and geothermal resources of south part of Burns 15’ quadrangle, Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-20, 1:24,000. |
| BrowDE1982b | Brown, D.E., 1982, Map showing geology and geothermal resources of Vale East quadrangle, Oregon Department of Geology and Mineral Industries Geologic Map Series GMS-21, 1:24,000. |
| BrowME1982 | Brownfield, M.E., 1982, Preliminary geologic map of the Ballston quadrangle, Klamath County, Oregon, Oregon Department of Geology and Mineral Industries Open-File Report O-82-02, 1:24,000. |
| BurkHE1980 | Burkhardt, H.E., Brook, C.A., and Smith, F.W., 1980, Selected administrative, land, and resource data for Known Geothermal Resource Areas in Arizona, California, Idaho, Nevada, Oregon, and Washington: U.S. Geological Survey Open-File Report 80-1290, 27 p. |
| CaroWW1987 | Carothers, W.W., Mariner, R.H., Keith, T.E.C., 1987, Isotope geochemistry of minerals and fluids from Newberry Volcano, Oregon, Journal of Volcanology and Geothermal Research, v. 31, p. 47-63. |
| CathJB1977 | Cathrall, J. B., and others, 1977, Listing of analytical results for rock, stream-sediment water, and algae samples, Sheldon wilderness study area, Humboldt & Washoe Counties, NV, and Lake County, Oregon, U.S. Geological Survey Open-File Report 77-403. |
| CathJB1978 | Cathrall, J. B., Greene, R. C., Plouff, D., Siems, D. F., Crenshaw, G. L., and Cooley, 1978, Mineral resources of the Charles Sheldon Wilderness Study Area, Humboldt & Washoe Counties, Nevada, & Lake & Harney Counties, OR, U.S.GS. OFR 78-1002, 158 p. |
| CathJB1984 | Cathrall, J. B., Siems, D. F., Crenshaw, G. L., and Cooley, E. F., 1984, Geochemical evaluation of the mineral and geothermal resources of the Charles Sheldon Wilderness Study Area, Nevada and Oregon, U.S. Geological Survey Bulletin 1538-C, 53-88. |
| CianEV1981a | Ciancanelli, E.V., Johnson, K.E., Analysis of data from the 1981 temperature gradient wells and the soil mercury geochemical survey, Glass Butte, Oregon, for Vulcan Group Joint Venture, by Cascadia Exploration Corp. p. 43, Nov. 1981. (M27) |
| CianEV1981b | Ciancanelli, E.V. of Cascadia Exploration Corporation, Analysis of data from temperature gradient wells, Glass Butte, Oregon, for Vulcan Group Joint Venture, p. 63, Mar. 1981. (M28). |
| CombJ1979 | Combs, J., and Lloyd, D.J., 1979, of Geothermal Services, Inc., Final Report, Glass Butte Prospect, Oregon, for Francana Resources, Inc., GTS Job No. 4-79, p. 18, Dec. 1979. (M29). |
| CoucRW1975 | Couch, R.W., French, W., Gemperle, M., Johnson, A., 1975, Geophysical measurements in the Vale, Oregon geothermal resource area, Oregon Geology v. 37, n. 08. |
| CoucRW1979 | Couch, R.W., and Gemperle, M., 1979, Gravity measurements in the area of Mt. Hood, Oregon. |
| CoucRW1981 | Couch, R.W., et. al., 1981, Gravity measurements in the Northern Cascade Range, Oregon, Final Technical Report to State of Oregon Department of Geology and Mineral Industries work conducted under U.S. Department of Energy Agreement No. DE-FC07-791D12044 |
| CoveWR1979 | Covert, W.F., and Meyer, H.J., 1979, Geothermal observation wells, Mt.Hood, Oregon, Washington D.C., U.S. Government Printing Office, U.S. Department of Energy Contract DE-AC08-78ET-28417, report 1980-640-258/2420, 28 p. |
| CoxBL1981 | Cox, B.L., Gardner, M.C., and Koenig, J.B., Results of temperature gradient and heat flow in Santiam Pass Area, Oregon, Volumes I & II, for Sun Energy Development Co, by GeothermEx, p. 35, 1981. |
| CulvGG1974 | Culver, G.G., Lund, J.W., and Svanevik, L.S., 1974, Klamath Falls hot water well study, Lawrence Laboratory, University of California, UCRL-13614. |
| CummML1993 | Cummings, M.L., and St. John, A.M., 1993, Hydrogeochemical characterization of the Alvord Valley Known Geothermal Resource Area Harney County, Oregon, Report prepared for the Bonneville Power Administration DOE/BP-19408-1, 272 p. |
| CurtDA1984 | Curtiss, D.A., Collins, C.A., and Oster, E.A., 1984, Water resources of western Douglas County, Oregon, U.S. Geological Survey Water-Resources Investigation Report 83-4017, 81 p. |
| DimeWG1983a | Diment, W.H., and Urban, T.C., 1983, A simple method for detecting anomalous fluid motions in bore holes from continuous temperature logs, Geothermal Resources Council Transaction, v. 7, 485-490. (M84) |
| DittmK1975 | Dittmer, K., Foleen, R., Hewson, E., Meinel, A., Meinel, M., Bowen, R.G., Middleton, J., and Fomey, A., 1975, Proceeding, Citizens’ forum on potential future energy sources, Oregon Department of Geology and Mineral Industries Miscellaneous Paper 18, 62 p. |
| DOGA1978 | Oregon Department of Geology and Mineral Industries, 1978, Geophysical logs, Old Maid Flat #1, Clackamas County, Open-File Report O-78-06, 2 p., 7 logs. |
| DOGA1981 | Oregon Department of Geology and Mineral Industries, 1981, Geophysical logs, Old Maid Flat #1, Clackamas County, Open-File Report O-81-02. |
| DOGA1984 | Oregon Department of Geology and Mineral Industries, 1984, Heat-flow map of the Cascade Range of Oregon and index map of mapping in the Oregon Cascades, Open-File Report O-84-4, 2 map series, 1:500,000 and 1:1,000,000 |
| DOGA2007 | Oregon Department of Geology and Mineral Industries, Mineral Lands Reclamation and Regulation, Geothermal Permit Files, Albany, Oregon |
| DOGAunpub | Oregon Department of Geology and Mineral Industries, 1970, Temperature measurement and analysis from Oregon Department of Geology and Mineral Industries Survey, Unpublished Report. |
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Team
The team includes Clark Niewendorp, Mineral Resources Geologist, Oregon Department of Geology and Mineral Industries (DOGAMI), and Tim Welch, computer programmer (contractor), and Deb Schueller (DOGAMI), web developer. Contact team members.
The software used to build the map page is Map-Fu (http://sourceforge.net/projects/map-fu/), an open-source web mapping interface written in PHP/JavaScript that works with UMN MapServer (http://mapserver.gis.umn.edu/) software. The software was developed as part of the Oregon Sustainable Community Digital Library (OSCDL) by Academic & Research Computing at Portland State University.
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Funding
The development of GTILO was funded by a grant administered by Oregon Department of Energy through GeoPowering the West, a U.S. Department of Energy program to promote geothermal usage in the Western United States.
Data and web site development was funded as follows:
| Fiscal Year | Oregon Department of Energy Funding | DOGAMI Cost Share | Total ($k) |
| 2006 | $30,875 | $6,017 | $36,874 |