If you find this page useful and would like to be notified of changes made to this page, start by inputting your email below.
powered by ChangeDetection
m |
m |
||
| Line 3: | Line 3: | ||
{| class="wikitable welldetails" width="95%" | {| class="wikitable welldetails" width="95%" | ||
| Well ID: 34-035-21233 | | Well ID: 34-035-21233 | ||
| − | | style="height=100%; align=center" rowspan="17" | {{#display_map: 41. | + | | style="height=100%; align=center" rowspan="17" | {{#display_map: 41.29, -81.61 | width=100% | height=100% }} |
|- | |- | ||
| Country: United States | | Country: United States | ||
| Line 9: | Line 9: | ||
| State: Ohio | | State: Ohio | ||
|- | |- | ||
| − | | County: | + | | County: <County> |
|- | |- | ||
| − | | Municipality: | + | | Municipality: |
|- | |- | ||
| Operator Name: [[NORTHWOOD ENERGY CORP]] | | Operator Name: [[NORTHWOOD ENERGY CORP]] | ||
| Line 29: | Line 29: | ||
| Final Drill Date: 1984-04-22 | | Final Drill Date: 1984-04-22 | ||
|- | |- | ||
| − | | Well Total Depth: 3605 ft | + | | Well Total Depth: 3605.00 ft |
|- | |- | ||
| Configuration: Vertical | | Configuration: Vertical | ||
|- | |- | ||
| − | | Latitude: 41. | + | | Latitude: 41.290000 |
|- | |- | ||
| − | | Longitude: -81. | + | | Longitude: -81.610000 |
|} | |} | ||
For data sources see<ref>{{cite web | For data sources see<ref>{{cite web | ||
| title = Risk Based Data Management System - Well, tblLocational, tblPlugWell, tblInspection, tblCivilTownships and tblPad Tables | | title = Risk Based Data Management System - Well, tblLocational, tblPlugWell, tblInspection, tblCivilTownships and tblPad Tables | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
== Well History == | == Well History == | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
| Line 109: | Line 109: | ||
| title = Risk Based Data Management System - Well and WellHistry Tables | | title = Risk Based Data Management System - Well and WellHistry Tables | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
== Perforation Treatments == | == Perforation Treatments == | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
| Line 120: | Line 120: | ||
|- | |- | ||
| 1997-06-29 | | 1997-06-29 | ||
| + | | style="text-align: right;" | 3418 | ||
| + | | style="text-align: right;" | 3498 | ||
| + | | style="text-align: right;" | 0 | ||
| + | |- | ||
| + | | | ||
| style="text-align: right;" | 3418 | | style="text-align: right;" | 3418 | ||
| style="text-align: right;" | 3498 | | style="text-align: right;" | 3498 | ||
| Line 128: | Line 133: | ||
| style="text-align: right;" | 3497 | | style="text-align: right;" | 3497 | ||
| style="text-align: right;" | 13 | | style="text-align: right;" | 13 | ||
| + | |- | ||
| + | | | ||
| + | | style="text-align: right;" | 3431 | ||
| + | | style="text-align: right;" | 3497 | ||
| + | | style="text-align: right;" | 13 | ||
| + | |- | ||
| + | | | ||
| + | | style="text-align: right;" | 3418 | ||
| + | | style="text-align: right;" | 3498 | ||
| + | | style="text-align: right;" | 0 | ||
|- | |- | ||
|} | |} | ||
| Line 133: | Line 148: | ||
| title = Risk Based Data Management System - Perfs Table | | title = Risk Based Data Management System - Perfs Table | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
<!--== Fracking Activities == | <!--== Fracking Activities == | ||
==== Fracking Jobs ==== | ==== Fracking Jobs ==== | ||
| Line 182: | Line 197: | ||
| title = Risk Based Data Management System - tblStimulation Table | | title = Risk Based Data Management System - tblStimulation Table | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
== Production Data == | == Production Data == | ||
{| class="wikitable sortable" width="95%" | {| class="wikitable sortable" width="95%" | ||
| Line 195: | Line 210: | ||
| 1984 | | 1984 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 695 | + | | style="text-align: right;" | 695.00 |
| − | | style="text-align: right;" | 82 | + | | style="text-align: right;" | 82.00 |
| style="text-align: right;" | 0 | | style="text-align: right;" | 0 | ||
|- | |- | ||
| 1985 | | 1985 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 2827 | + | | style="text-align: right;" | 2827.00 |
| − | | style="text-align: right;" | 193 | + | | style="text-align: right;" | 193.00 |
| style="text-align: right;" | 326 | | style="text-align: right;" | 326 | ||
|- | |- | ||
| 1986 | | 1986 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 1768 | + | | style="text-align: right;" | 1768.00 |
| − | | style="text-align: right;" | 87 | + | | style="text-align: right;" | 87.00 |
| style="text-align: right;" | 321 | | style="text-align: right;" | 321 | ||
|- | |- | ||
| 1987 | | 1987 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 1413 | + | | style="text-align: right;" | 1413.00 |
| − | | style="text-align: right;" | 92 | + | | style="text-align: right;" | 92.00 |
| style="text-align: right;" | 258 | | style="text-align: right;" | 258 | ||
|- | |- | ||
| 1988 | | 1988 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 1064 | + | | style="text-align: right;" | 1064.00 |
| − | | style="text-align: right;" | 96 | + | | style="text-align: right;" | 96.00 |
| style="text-align: right;" | 349 | | style="text-align: right;" | 349 | ||
|- | |- | ||
| 1991 | | 1991 | ||
| [[WINDSOR ASSOCIATES INC]] | | [[WINDSOR ASSOCIATES INC]] | ||
| − | | style="text-align: right;" | 184 | + | | style="text-align: right;" | 184.00 |
| − | | style="text-align: right;" | 47 | + | | style="text-align: right;" | 47.00 |
| style="text-align: right;" | 260 | | style="text-align: right;" | 260 | ||
|- | |- | ||
| 1992 | | 1992 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 382 | + | | style="text-align: right;" | 382.00 |
| − | | style="text-align: right;" | 114 | + | | style="text-align: right;" | 114.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1993 | | 1993 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 355 | + | | style="text-align: right;" | 355.00 |
| − | | style="text-align: right;" | 52 | + | | style="text-align: right;" | 52.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1994 | | 1994 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 292 | + | | style="text-align: right;" | 292.00 |
| − | | style="text-align: right;" | 54 | + | | style="text-align: right;" | 54.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1996 | | 1996 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 18 | + | | style="text-align: right;" | 18.00 |
| − | | style="text-align: right;" | 49 | + | | style="text-align: right;" | 49.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1997 | | 1997 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 19 | + | | style="text-align: right;" | 19.00 |
| − | | style="text-align: right;" | 29 | + | | style="text-align: right;" | 29.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1998 | | 1998 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 1999 | | 1999 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 2000 | | 2000 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| − | | style="text-align: right;" | 89 | + | | style="text-align: right;" | 89.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 2001 | | 2001 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 103 | + | | style="text-align: right;" | 103.00 |
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| 2002 | | 2002 | ||
| [[NORTHWOOD ENERGY CORP]] | | [[NORTHWOOD ENERGY CORP]] | ||
| − | | style="text-align: right;" | 0 | + | | style="text-align: right;" | 0.00 |
| − | | style="text-align: right;" | 65 | + | | style="text-align: right;" | 65.00 |
| style="text-align: right;" | 365 | | style="text-align: right;" | 365 | ||
|- | |- | ||
| Line 293: | Line 308: | ||
| title = Risk Based Data Management System - Production Table - Oil and Gas Data | | title = Risk Based Data Management System - Production Table - Oil and Gas Data | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
<ref>{{cite web | <ref>{{cite web | ||
| title = Combined Production - Oil and Gas Data | | title = Combined Production - Oil and Gas Data | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
== Waste Data == | == Waste Data == | ||
{| class="wikitable sortable" | {| class="wikitable sortable" | ||
| Line 410: | Line 425: | ||
| title = Risk Based Data Management System - Production Table - Brine Data | | title = Risk Based Data Management System - Production Table - Brine Data | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
<ref>{{cite web | <ref>{{cite web | ||
| title = Combined Production - Brine Data | | title = Combined Production - Brine Data | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
== Inspection Data == | == Inspection Data == | ||
==== Inspections Performed ==== | ==== Inspections Performed ==== | ||
| Line 427: | Line 442: | ||
!scope="col" style="text-align: center"| Inspection Result | !scope="col" style="text-align: center"| Inspection Result | ||
!scope="col" style="text-align: center"| Inspection Comments | !scope="col" style="text-align: center"| Inspection Comments | ||
| + | |- | ||
| + | | -1961962727 | ||
| + | | 2006-7-14 0:00: | ||
| + | | PB | ||
| + | | No Violations | ||
| + | | | ||
|- | |- | ||
| 0575714321 | | 0575714321 | ||
| Line 445: | Line 466: | ||
| No Violations | | No Violations | ||
| on site inspection with supervisor | | on site inspection with supervisor | ||
| + | |- | ||
| + | | 575714321 | ||
| + | | 2006-7-14 0:00: | ||
| + | | FR | ||
| + | | No Violations | ||
| + | | | ||
|- | |- | ||
|} | |} | ||
| Line 459: | Line 486: | ||
| title = Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables | | title = Risk Based Data Management System - tblInspection, tblInspFail and tblinspFlDesc Tables | ||
|publisher = [[Ohio Department of Natural Resources]] | |publisher = [[Ohio Department of Natural Resources]] | ||
| − | | date = | + | | date = 2020-11-16 |
| url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | | url = http://wellwiki.org/wiki/Ohio_Oil_and_Gas_Data_Sources | ||
| − | | accessdate = | + | | accessdate = 2020-11-16 }}</ref> |
==References== | ==References== | ||
<references/> | <references/> | ||
__NOEDITSECTION__ | __NOEDITSECTION__ | ||
[[Category:Ohio Wells]] | [[Category:Ohio Wells]] | ||
| Well ID: 34-035-21233 | Loading map...
{"type":"SATELLITE","minzoom":false,"maxzoom":false,"types":["ROADMAP","SATELLITE","HYBRID","TERRAIN"],"mappingservice":"googlemaps3","width":"100%","height":"350px","centre":false,"title":"","label":"","icon":"","visitedicon":"","lines":[],"polygons":[],"circles":[],"rectangles":[],"wmsoverlay":false,"copycoords":false,"static":false,"zoom":14,"layers":[],"controls":["pan","zoom","type","scale","streetview","rotate"],"zoomstyle":"DEFAULT","typestyle":"DEFAULT","autoinfowindows":false,"resizable":false,"kmlrezoom":false,"poi":true,"markercluster":false,"clustergridsize":60,"clustermaxzoom":20,"clusterzoomonclick":true,"clusteraveragecenter":true,"clusterminsize":2,"imageoverlays":[],"kml":[],"gkml":[],"searchmarkers":"","enablefullscreen":false,"scrollwheelzoom":false,"locations":[{"text":"","title":"","link":"","lat":41.29,"lon":-81.61,"icon":""}]} |
| Country: United States | |
| State: Ohio | |
| County: <County> | |
| Municipality: | |
| Operator Name: NORTHWOOD ENERGY CORP | |
| Well Pad ID: | |
| Farm/Lease Name: B F GOODRICH | |
| License Status: Final Restoration | |
| License Date: 2002-07-03 | |
| Spud Date: 1984-04-16 | |
| Spud Drilling Contractor: NANCY DRLG | |
| Final Drill Date: 1984-04-22 | |
| Well Total Depth: 3605.00 ft | |
| Configuration: Vertical | |
| Latitude: 41.290000 | |
| Longitude: -81.610000 |
For data sources see[1]
| Well Status | Well Status Date | Comment |
|---|---|---|
| CO | 1984-02-06 | 1422 WINDSOR ASSOCIATES INC GeoDate 2/6/84 |
| Oil and Gas | 1984-02-06 | Issued Date 2/6/84 Expired Date 8/4/84 Acres 0020000 Tool Type RTF Proposed Formation CLINTON Proposed Depth 03605 Proposed Drill Depth 03605 |
| Original Spud | 1984-04-16 | |
| Completed | 1984-04-22 | |
| Reached Total Depth | 1984-04-22 | |
| Completion Report Received | 1984-08-03 | |
| Revocation | 1989-05-11 | |
| CO | 1991-09-30 | 213 LOMAK OPERATING CO GeoDate 2/6/84 |
| CO | 1992-07-14 | 1634 NORTHWOOD ENERGY CORP GeoDate 2/6/84 |
| APP | 2002-07-03 | Proposed Formations:CLINTON, Issued Date:7/3/2002, Expired Date:7/3/2003 6:00:00 AM, Drilling unit acres:20, Proposed Well Type:OG, Proposed Well Class: |
| Plugged/Abandoned | 2002-10-28 | |
| Construction Permit Expires | 2003-07-03 | |
| Last Compliance Report | 2017-09-18 | |
| Record Last Modified | 2017-09-18 |
For data sources see[2]
| Perforation Date | Interval Top (ft) | Interval Base (ft) | Number of Shots |
|---|---|---|---|
| 1997-06-29 | 3418 | 3498 | 0 |
| 3418 | 3498 | 0 | |
| 2006-09-11 | 3431 | 3497 | 13 |
| 3431 | 3497 | 13 | |
| 3418 | 3498 | 0 |
For data sources see[3]
| Stimulation Date | Chemical Agent | Chemical Agent Concentration (%) | Fracking Fluid Volume | Mass of Proppant Used (lb) | Fracking Company | Comments |
|---|---|---|---|---|---|---|
| H2O | 0 | 68000 Gal | 50000 | FRAC: H2O,SAND |
For data sources see[4]
| Period | Operator Name | Gas Quantity (mcf) | Oil Quantity (bbl) | Production Days |
|---|---|---|---|---|
| 1984 | WINDSOR ASSOCIATES INC | 695.00 | 82.00 | 0 |
| 1985 | WINDSOR ASSOCIATES INC | 2827.00 | 193.00 | 326 |
| 1986 | WINDSOR ASSOCIATES INC | 1768.00 | 87.00 | 321 |
| 1987 | WINDSOR ASSOCIATES INC | 1413.00 | 92.00 | 258 |
| 1988 | WINDSOR ASSOCIATES INC | 1064.00 | 96.00 | 349 |
| 1991 | WINDSOR ASSOCIATES INC | 184.00 | 47.00 | 260 |
| 1992 | NORTHWOOD ENERGY CORP | 382.00 | 114.00 | 365 |
| 1993 | NORTHWOOD ENERGY CORP | 355.00 | 52.00 | 365 |
| 1994 | NORTHWOOD ENERGY CORP | 292.00 | 54.00 | 365 |
| 1996 | NORTHWOOD ENERGY CORP | 18.00 | 49.00 | 365 |
| 1997 | NORTHWOOD ENERGY CORP | 19.00 | 29.00 | 365 |
| 1998 | NORTHWOOD ENERGY CORP | 0.00 | 0.00 | 365 |
| 1999 | NORTHWOOD ENERGY CORP | 0.00 | 0.00 | 365 |
| 2000 | NORTHWOOD ENERGY CORP | 0.00 | 89.00 | 365 |
| 2001 | NORTHWOOD ENERGY CORP | 103.00 | 0.00 | 365 |
| 2002 | NORTHWOOD ENERGY CORP | 0.00 | 65.00 | 365 |
| Period | Operator Name | Waste Type | Quantity (bbl) | Production Days |
|---|---|---|---|---|
| 1984 | WINDSOR ASSOCIATES INC | Brine | 0 | 0 |
| 1985 | WINDSOR ASSOCIATES INC | Brine | 293 | 326 |
| 1986 | WINDSOR ASSOCIATES INC | Brine | 95 | 321 |
| 1987 | WINDSOR ASSOCIATES INC | Brine | 44 | 258 |
| 1988 | WINDSOR ASSOCIATES INC | Brine | 18 | 349 |
| 1991 | WINDSOR ASSOCIATES INC | Brine | 50 | 260 |
| 1992 | NORTHWOOD ENERGY CORP | Brine | 130 | 365 |
| 1993 | NORTHWOOD ENERGY CORP | Brine | 103 | 365 |
| 1994 | NORTHWOOD ENERGY CORP | Brine | 243 | 365 |
| 1996 | NORTHWOOD ENERGY CORP | Brine | 10 | 365 |
| 1997 | NORTHWOOD ENERGY CORP | Brine | 35 | 365 |
| 1998 | NORTHWOOD ENERGY CORP | Brine | 0 | 365 |
| 1999 | NORTHWOOD ENERGY CORP | Brine | 365 | |
| 2000 | NORTHWOOD ENERGY CORP | Brine | 10 | 365 |
| 2001 | NORTHWOOD ENERGY CORP | Brine | 365 | |
| 2002 | NORTHWOOD ENERGY CORP | Brine | 0 | 365 |
| Inspection ID | Inspection Date | Inspection Type | Inspection Result | Inspection Comments |
|---|---|---|---|---|
| -1961962727 | 2006-7-14 0:00: | PB | No Violations | |
| 0575714321 | 2006-07-14 | Final Restoration | No Violations | well plugged |
| 1829928905 | 2003-09-11 | Final Restoration | No Violations | |
| 1961962727 | 2006-07-14 | Plug / Plug Back | No Violations | on site inspection with supervisor |
| 575714321 | 2006-7-14 0:00: | FR | No Violations |
For data sources see[9]