Illinois State Geological Survey 20080221 vector digital data ISGS GIS Database GISDB.IL_WELLS_Borings_Location_Pt Champaign, Illinois Illinois State Geological Survey http://www.isgs.uiuc.edu/ http://www.isgs.uiuc.edu/sections/gru/wellmaps.shtml This shapefile contains point locations from the ISGS Wells and Borings database. The attribute information include API number (the ID), well or boring type, longitude, and latitude. The spatial reference is geographic coordinates, decimal degrees, NAD83. The data are exported to a shapefile weekly from the Wells and Borings (source) database for Internet distribution. The source database is updated daily. Thus, there may be recent updates (last 7 days) in the source database that are not reflected in this shapefile. The data are primarily oil, gas and water wells, but also include other designations such as engineering boring, stratigraphic test hole, injection well, etc. The collection contains data for over 542,000 wells and borings, some dating back to 1801 (assumed.) Most locations have not been field verified. The nominal scale is 1:62,500, however locations have been determined in several different ways at different scales. Most commonly, the location is derived by converting a legal (i.e. Public Land Survey Survey - PLSS) description to a point location. The stated accuracy is +/- 100 feet, however some points may be inaccurate by as much as one mile due to irregularities in the Illinois PLSS and associated descriptions. For legal descriptions that indicate only a PLSS section or quarter-section, the point is assumed to be in the center of the respective section or quarter-section. Additional detailed information about these wells and borings is available free of charge online at the Illinois State Geological Survey web site (http://www.isgs.uiuc.edu/) in the ILOIL (oil and gas) and ILWATER (water and related wells) interactive map services. Bulk and special order data retrievals are also available for a fee as described in the Standard Order Process of the Distribution Information section. Additional information may include owner, permit details, PLSS location, total depth, surface elevation, geologic formation and material description, driller's log, and down-hole logs. These data are intended to provide a simple GIS-based portrayal of the distribution and type of wells and borings in Illinois. The data are appropriate for use in local and regional analysis. The data are not appropriate as a geodetic, legal or engineering base. The data set is not intended as a substitute for surveyed locations, such as can be determined by a registered Public Land Surveyor. The data set has no legal basis in the definition of boundaries or property lines. 1801 most recent Thursday Oldest assumed permit date to date of extraction from ISGS Wells and Borings database. The date of extraction is the most recent Thursday. The metadata document in the downloadable bundle contains the explicit date. Complete Weekly -91.472896 0.000000 42.885817 0.000000 none well boring oil gas water engineering boring stratigraphic test injection coal mine mineral outcrop waste disposal storage tank none Illinois These data are copyrighted and must be obtained directly from the Illinois State Geological Survey or the Illinois Natural Resources Geospatial Data Clearinghouse. These data should not be used at scales greater than 1:62,500. They are not to be used as a geodetic, legal or engineering base. The data set has no legal basis in the definition of boundaries or property lines. Reproduction or redistribution of copyrighted digital data sets or products derived therefrom outside of licensee's organization or entity is expressly forbidden. The only exception is redistribution to consultants working for the licensee, and then only for purposes related to work for the licensee. Such consultants may not further reproduce or redistribute these data sets. None of these data shall be electronically duplicated on magnetic or optical media for use by others, in whole or in part, without permission of ISGS. Any hardcopies utilizing ISGS data sets shall clearly indicate their source. If the licensee has modified the data in any way they are obligated to describe the types of modifications they have performed on the hardcopy map. Licensee specifically agrees not to misrepresent ISGS data sets, nor to imply that changes they made were approved by ISGS. Please refer to the Distribution Information section. ArcGIS 9.2 Attributes are as recorded in the ISGS Wells and Borings database as of the noted date of extraction. Attributes are collected from well permits and reports. The information contained in these permits and reports is not verified by the ISGS. Some points occur at the origin of coordinate space. These are points for which a real location cannot be determined. For example, they may have an erroneous or non-existent legal description. All non-confidential point locations in the ISGS Wells and Borings database are included. It is likely there are existing wells and borings that are not included in the ISGS Wells and Borings database, for example, those not reported, those placed prior to a regulatory reporting requirement, and those not subject to a regulatory reporting requirement. The data are exported to a shapefile weekly from the Wells and Borings (source) database for Internet distribution. The source database is updated daily. Thus, there may be recent updates (last 7 days) in the source database that are not reflected in the shapefile. The nominal scale is 1:62,500, however locations have been determined in several different ways at different scales. Most commonly, the location is derived by converting a legal (i.e. Public Land Survey Survey - PLSS) description to a point location. The stated accuracy is +/- 100 feet, however some points may be inaccurate by as much as one mile due to irregularities in the Illinois PLSS and associated descriptions. For legal descriptions that indicate only a PLSS section or quarter-section, the point is assumed to be in the center of the respective section or quarter-section. The collection contains data for over 542,000 wells and borings, some dating back to 1801 (assumed.) Most locations have not been field verified. Illinois State Geological Survey tabular digital data This database is updated daily. 62500 disc 1801 present All location and attribute information. The data are exported to a shapefile weekly from the Wells and Borings (source) database for Internet distribution. The source database is updated daily. Thus, there may be recent updates (last 7 days) in the source database that are not reflected in the shapefile. weekly on Thursday Vector Entity point 542000+, increasing weekly 0.000001 0.000001 Decimal degrees North American Datum of 1983 Geodetic Reference System 80 6378137.000000 298.257222 IL_WELLS_Borings_Location_Pt FID Internal feature number. ESRI Sequential unique whole numbers that are automatically generated. Shape Feature geometry. ESRI Coordinates defining the features. API_NUMBER Unique ID in American Petroleum Institute (API) format STATUS Status/designation/type status.dbf ISGS Wells and Borings database LATITUDE Latitude in decimal degrees, NAD83 LONGITUDE Longitude in decimal degrees, NAD83 Refer to the companion file status.dbf for description of status codes. Information Office, Illinois State Geological Survey Wells and Borings Database Administrator mailing and physical address

615 East Peabody Drive

Champaign Illinois 60560 USA 217-333-4747 217-785-0211 isgs@isgs.uiuc.edu 8:00 a.m. - 4:30 p.m., Monday-Friday, U.S. Central Time The basic product in ESRI shapefile format includes the location, ID and type of well or boring and is available free of charge. Additional detailed information about these wells and borings is available free of charge online at the Illinois State Geological Survey web site (http://www.isgs.uiuc.edu/) in the ILOIL (oil and gas) and ILWATER (water and related wells) interactive map services. Bulk and special order data retrievals are also available for a fee as described in the Standard Order Process. Additional information may include owner, permit details, PLSS location, total depth, surface elevation, geologic formation and material description, driller's log, and down-hole logs. Refer also to http://www.isgs.uiuc.edu/sections/gru/wellmaps.shtml. The Illinois State Geological Survey (ISGS) provides these geographic data "as is." ISGS makes no guarantee or warranty concerning the accuracy of information contained in the geographic data. ISGS further makes no warranties, either expressed or implied as to any other matter whatsoever, including, without limitation, the condition of the product, or its fitness for any particular purpose. The burden for determining fitness for use lies entirely with the user. Although these data have been processed successfully on computers of ISGS, no warranty, expressed or implied, is made by ISGS regarding the use of these data on any other system, nor does the fact of distribution constitute or imply any such warranty. In no event shall the ISGS have any liability whatsoever for payment of any consequential, incidental, indirect, special, or tort damages of any kind, including, but not limited to, any loss of profits arising out of use of or reliance on the geographic data or arising out of the delivery, installation, operation, or support by ISGS. Retrieval/set-up fee $20.00, Media Charge: CD-ROM $10.00, Well header records (per well) $0.09, Well formation tops (per well) $0.09, Printed data page $0.30, Faxed data page $1.50, Additional Output Format $20.00 Contact the ISGS Information Office and request a custom extract from the Wells and Borings database. typically 5 business days or less The data are intended for use with GIS software. The ISGS uses ESRI ArcGIS software, however, the ESRI shapefile format can be imported into many different GIS software packages. It is expected that customers who order this data have the technical expertise to use GIS software. The ISGS does not provide software support of any kind. 20080221 Please refer to the Distribution Information section. FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 local time None. None. http://www.esri.com/metadata/esriprof80.html ESRI Metadata Profile