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1. IDENTIFICATION INFORMATION

1.1 CITATION (8.1) ORIGINATOR: Illinois State Geological Survey (8.2) PUBLICATION DATE: unknown (8.4) TITLE: Digital file name is - TOWNSHIP Data set title is - Township lines of Illinois

1.2 DESCRIPTION 1.2.1 ABSTRACT: This map shows township and range lines of Illinois. 1.2.2 PURPOSE: This data set was created to serve as basemap information at scales of 1:62,500 or smaller. This information is suitable for registration of other material at similar scales. Attribute data identify township and range. These data are appropriate for use in local and regional thematic analysis. Data are not appropriate as a geodetic or engineering base.

1.3 TIME PERIOD OF CONTENT (9.1) SINGLE DATE/TIME (9.1.1) CALENDAR DATE: unknown 1.3.1 CURRENTNESS REFERENCE: unknown

1.4 STATUS 1.4.1 PROGRESS: Complete 1.4.2 MAINTENANCE AND UPDATE FREQUENCY: as needed

1.5 SPATIAL DOMAIN 1.5.1 BOUNDING COORDINATES 1.5.1.1 WEST BOUNDING COORDINATE: -91.4244 1.5.1.2 EAST BOUNDING COORDINATE: -87.3840 1.5.1.3 NORTH BOUNDING COORDINATE: 42.4951 1.5.1.4 SOUTH BOUNDING COORDINATE: 36.9540

1.6 KEYWORDS 1.6.1 THEME none 1.6.1.1 THEME KEYWORD THESAURUS: none 1.6.1.2 THEME KEYWORD: public land survey 1.6.1.2 THEME KEYWORD: township 1.6.1.2 THEME KEYWORD: range 1.6.2 PLACE 1.6.2.1 PLACE KEYWORD THESAURUS: none 1.6.2.2 PLACE KEYWORD: Illinois

1.7 ACCESS CONSTRAINTS: none

1.8 USE CONSTRAINTS: Reproduction or redistribution of copyrighted digital datasets (wells) 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 datasets. None of the data on this CD-ROM shall be electronically duplicated on magnetic or optical media for use by others, in whole or in part, without permission of the appropriate custodial division within DNR.

Any hardcopies utilizing DNR datasets 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 DNR datasets, nor to imply that changes they made were approved by DNR.

This data is not to be used for commercial profit.



1.9 POINT OF CONTACT (10.1) CONTACT PERSON PRIMARY (10.1.1) CONTACT PERSON: Curt Abert (10.1.2) CONTACT ORGANIZATION: Illinois State Geological Survey (10.3) CONTACT POSITION: Geologist/GIS Analyst (10.4) CONTACT ADDRESS (10.4.1) ADDRESS TYPE: mailing address (10.4.2) ADDRESS: 615 East Peabody Drive (10.4.3) CITY: Champaign (10.4.4) STATE OR PROVINCE: Illinois (10.4.5) POSTAL CODE: 61820 (10.4.6) COUNTRY: USA (10.5) CONTACT VOICE TELEPHONE: 217 - 244 - 2188 (10.7) CONTACT FACSIMILE TELEPHONE: 217 - 333 - 2830 (10.8) CONTACT ELECTRONIC MAIL ADDRESS: abert@flanders.isgs.uiuc.edu

1.13 NATIVE DATA SET ENVIRONMENT: ARC/INFO version 7.0.3 software for UNIX, with no8.3 setting.



2. DATA QUALITY INFORMATION

2.1 ATTRIBUTE ACCURACY 2.1.1 ATTRIBUTE ACCURACY REPORT: In 1990, a review of the data was completed.

2.2 LOGICAL CONSISTENCY REPORT: polygon and chain-node topology present

2.3 COMPLETENESS REPORT: In 1995, the state boundary (which is also the boundary of a few townships) along the Ohio River was officially changed, but these changes have not been incorporated into this data set as of 2/22/96.

2.4 POSITIONAL ACCURACY 2.4.1 HORIZONTAL POSITIONAL ACCURACY 2.4.1.1 HORIZONTAL POSITIONAL ACCURACY REPORT: Horizontal positional accuracy is spot verified by visual comparison of source and hard-copy plots.

2.5 LINEAGE 2.5.1 SOURCE INFORMATION 2.5.1.1 SOURCE CITATION (8.1) ORIGINATOR: United States Geological Survey (8.2) PUBLICATION DATE: varies (8.4) TITLE: various quadrangles depicting Illinois state boundary (8.6) GEOSPATIAL DATA PRESENTATION FORM: map (8.7) SERIES INFORMATION (8.7.1) SERIES NAME: Topographic quadrangles (8.7.2) ISSUE IDENTIFICATION: unknown 2.5.1.2 SOURCE SCALE DENOMINATOR: 24000 and 62500 2.5.1.3 TYPE OF SOURCE MEDIA: paper 2.5.1.4 SOURCE TIME PERIOD OF CONTENT (9.3) RANGE OF DATES/TIMES (9.3.1) BEGINNING DATE: unknown (9.3.3) ENDING DATE: unknown 2.5.1.4.1 SOURCE CURRENTNESS REFERENCE: publication date 2.5.1.5 SOURCE CITATION ABBREVIATION: none 2.5.1.6 SOURCE CONTRIBUTION: Lines depicting Illinois township boundaries



3. SPATIAL DATA ORGANIZATION INFORMATION

3.2 DIRECT SPATIAL REFERENCE METHOD: Vector



4. SPATIAL REFERENCE INFORMATION

4.1 HORIZONTAL COORDINATE SYSTEM DEFINITION 4.1.2 PLANAR 4.1.2.1 MAP PROJECTION 4.1.2.1.1 MAP PROJECTION NAME: Lambert Conformal Conic 4.1.2.1.2 MAP PROJECTION-PARAMETERS 4.1.2.1.2.1 LATITUDE OF FIRST STANDARD PARALLEL: 33 0 0.000 4.1.2.1.2.1 LATITUDE OF SECOND STANDARD PARALLEL: 45 0 0.000 4.1.2.1.2.2 LONGITUDE OF CENTRAL MERIDIAN: -89 30 0.000 4.1.2.1.2.3 LATITUDE OF PROJECTION ORIGIN: 33 0 0.000 4.1.2.1.2.4 FALSE EASTING: 2999963.52 feet 4.1.2.1.2.5 FALSE NORTHING: 0.00000 4.1.4 GEODETIC MODEL 4.1.4.1 HORIZONTAL DATUM NAME: NAD27 4.1.4.2 ELLIPSOID NAME: CLARKE1866 4.2 VERTICAL COORDINATE SYSTEM DEFINITION 4.2.1 ALTITUDE SYSTEM DEFINITION 4.2.1.1 ALTITUDE DATUM NAME: NGVD29



5. ENTITY AND ATTRIBUTE INFORMATION

5.2 OVERVIEW DESCRIPTION 5.2.1 ENTITY AND ATTRIBUTE OVERVIEW: Attribute items are in typical ARC/INFO PAT and AAT format. Those requiring additional explanation are: PAT items MERIDIAN - The meridian of the township TOWNSHIP - The alphanumeric township identifier RANGE - The alphanumeric range identifier **REDEFINED ITEMS** TWP - The condensed township and range identifier TNUM - The numeric township identifier RNUM - The numeric range identifier

AAT ITEMS STATELINE - Indicates if arc is a part of the state boundary 1 = arc is part of the state boundary 0 = arc is not part of the state boundary COUNTLINE - Indicates if arc is a part of a county boundary 1 = arc is part of a county boundary 0 = arc is not part of a county boundary SECLINE - Indicates if arc is a part of a section line 1 = arc is part of a section line 0 = arc is not part of a section line INDLINE - Indicates if arc is a part of an Indian Treaty boundary 1 = arc is part of a an Indian Treaty boundary 0 = arc is not part of an Indian Treaty boundary TOWNLINE - Indicates if arc is a part of a township or range line 1 = arc is part of a township or range line 0 = arc is not part of a township or range line



6. DISTRIBUTION INFORMATION

6.1 DISTRIBUTOR (10.2) CONTACT ORGANIZATION PRIMARY: Illinois State Geological Survey (10.3) CONTACT POSITION: Database Administrator (10.4) CONTACT ADDRESS (10.4.1) ADDRESS TYPE: mailing address (10.4.2) ADDRESS: 615 East Peabody Drive (10.4.3) CITY: Champaign (10.4.4) STATE OR PROVINCE: Illinois (10.4.5) POSTAL CODE: 61820 (10.4.6) COUNTRY: USA (10.5) CONTACT VOICE TELEPHONE: 217-333-5102 (10.7) CONTACT FACSIMILE TELEPHONE: 217 - 333 - 2830 (10.8) CONTACT ELECTRONIC MAIL ADDRESS: denhart@geoserv.isgs.uiuc.edu

6.3 DISTRIBUTION LIABILITY: The Illinois Department of Natural Resources (DNR) provide these geographic data "as is." DNR make no guarantee or warranty concerning the accuracy of information contained in the geographic data. DNR 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 DNR, no warranty, expressed or implied, is made by DNR 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 DNR 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 DNR.



7. METADATA REFERENCE SECTION

7.1 METADATA DATE: 19960222 7.4 METADATA CONTACT (10.1) CONTACT PERSON PRIMARY (10.1.1) CONTACT PERSON: Curtis Abert (10.1.2) CONTACT ORGANIZATION: Illinois State Geological Survey (10.4) CONTACT ADDRESS (10.4.1) ADDRESS TYPE: mailing address (10.4.2) ADDRESS: 615 East Peabody Drive (10.4.3) CITY: Champaign (10.4.4) STATE OR PROVINCE: Illinois (10.4.5) POSTAL CODE: 61820 (10.4.6) COUNTRY: USA (10.5) CONTACT VOICE TELEPHONE: 217-244-2188 (10.7) CONTACT FACSIMILE TELEPHONE: 217-333-2830 (10.8) CONTACT ELECTRONIC MAIL ADDRESS: abert@flanders.isgs.uiuc.edu 7.5 METADATA STANDARD NAME: FGDC Content Standards for Digital Geospatial Metadata 7.6 METADATA STANDARD VERSION: Version of June 8, 1994

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