Physiographic Divisions of Illinois

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Metadata:


Identification_Information:
Citation:
Citation_Information:
Originator: Illinois State Geological Survey
Publication_Date: 1993
Title: Physiographic Divisions of Illinois
Edition: 20040423
Geospatial_Data_Presentation_Form: vector digital data
Series_Information:
Series_Name: ISGS GIS Database
Issue_Identification: GISDB_QTGEO.IL_Physiographic_Regions
Publication_Information:
Publication_Place: Champaign, Illinois
Publisher: Illinois State Geological Survey
Online_Linkage: <http://www.isgs.illinois.edu/>
Online_Linkage: <http://illinois.edu>
Description:
Abstract:
This is an ESRI feature class showing boundaries for physiographic divisions in Illinois. Data are originally from ISGS Report of Investigations 129 by Leighton et al., 1948. The physiographic divisions of Illinois are divided into the following: Provinces, Sections, and Divisions. (The annotations are in the companion shapefile IL_Physio_Regions_1993_Anno_Ln). Scale is 1:3,00,000 to 1:3,100,000.

Central Lowland Province Ozark Plateaus Province Interior Low Plateaus Province Coastal Plain Province

Wisconsin Driftless Section Great Lake Section Till Plains Section Dissected Till Plains Section Lincoln Hills Section Salem Plateau Section Shawnee Hills Section

Rock River Hill Country Wheaton Morainal Chicago Lake Plain Green River Lowland Kankakee Plain Galesburg Plain Bloomington Ridged Plain Springfield Plain Mt. Vernon Hill Country

Purpose:
This data set records information about the physiographic divisions of Illinois. The data set was digitized so that it could be included as an inset map on the 'Shaded Relief Map of Illinois', ISGS OFS 1995-6, reissued as IMAP 6.

The data are not appropriate as a geodetic, legal or engineering base. The data set was not and is not intended as a substitute for surveyed locations, such as can be determined by a registered Public Land Surveyor. Although useful in a GIS as a reference base layer for maps, the data set has no legal basis in the definition of boundaries or property lines.

Supplemental_Information:
Recent updates to the data:

In April 2004 edition 1.1 of the data set was transitioned to storage in an Oracle RDBMS using the ArcSDE geodatabase model. The result was designated Edition 20040423. This shapefile was generated from that edition.

The provinces, sections, and divisions are labeled with annotation as most of the areas are not closed polygons (within Illinois). Refer to the companion JPEG image for a visual suggestion of how to best display the annotation.

Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1948
Currentness_Reference: publication date of source
Status:
Progress: Complete
Maintenance_and_Update_Frequency: None planned
Spatial_Domain:
Bounding_Coordinates:
West_Bounding_Coordinate: -91.452685
East_Bounding_Coordinate: -87.437114
North_Bounding_Coordinate: 42.568874
South_Bounding_Coordinate: 37.102418
Keywords:
Theme:
Theme_Keyword_Thesaurus: none
Theme_Keyword: Physiographic
Theme_Keyword: Division
Theme_Keyword: Divisions
Theme_Keyword: Province
Theme_Keyword: Provinces
Theme_Keyword: Section
Theme_Keyword: Sections
Theme_Keyword: Plain
Theme_Keyword: Plains
Theme_Keyword: geology
Theme_Keyword: geologic
Theme_Keyword: geomorphology
Theme_Keyword: geomorphologic
Place:
Place_Keyword_Thesaurus: none
Place_Keyword: Illinois
Access_Constraints:
ISGS information must be obtained directly from the ISGS or from an authorized distributor. Be aware that ISGS information obtained from an unauthorized third party may have been altered subsequent to original distribution, or may no longer be current.

Any access to these data, Web sites, computer systems, electronic services, and electronic networks is governed by University and campus policies, in particular, but not limited to, the Policy on Appropriate Use of Computers and Network Systems at the University of Illinois at Urbana-Champaign, the ISGS Terms of Use document available at the ISGS Web site, and the University of Illinois Web Privacy Notice.

Links to these are provided in the Cross References section.

Use_Constraints:
ISGS information is the property of and copyrighted by the Board of Trustees of the University of Illinois with all rights reserved.  University copyright policy is stated in the General Rules Concerning University Organization and Procedure, Article III, Section 4. A link is provided in the Cross References section.

Individuals or entities may make fair use of copyrighted ISGS material, such as reproducing a single figure or table, or using a brief text quotation, without obtaining formal permission, but in all cases the Illinois State Geological Survey must be credited as the source of the material. To reproduce ISGS information beyond the fair use standard, permission must be obtained from the ISGS Information Office, 615 East Peabody Drive, Champaign, Illinois 61820, 217-333-4747, isgs@isgs.illinois.edu. License fees and a license agreement may be required, depending on the proposed usage.

Any use of these data is governed by University and campus policies, in particular, but not limited to, the Policy on Appropriate Use of Computers and Network Systems at the University of Illinois at Urbana-Champaign, the ISGS Terms of Use document available at the ISGS Web site, and the University of Illinois Web Privacy Notice. Links to these are provided in the Cross References section.

Map information is to be used at a scientifically and cartographically appropriate scale, that is, at a scale no greater than indicated on the map or as described in the documentation of the map or map data.  Map information is not appropriate for, and is not to be used as, a geodetic, legal, or engineering base. Map information has no legal basis in the definition of boundaries or property lines and is not intended as a substitute for surveyed locations such as can be determined by a registered Public Land Surveyor.

The data do not replace the need for detailed site-specific studies.

Point_of_Contact:
Contact_Information:
Contact_Instructions: Please refer to the Distribution Information section.
Native_Data_Set_Environment: ArcSDE 9.1 on Oracle 10g
Cross_Reference:
Citation_Information:
Title: ISGS Terms of Use
Online_Linkage: <http://www.isgs.illinois.edu>
Cross_Reference:
Citation_Information:
Title: University of Illinois Web Privacy Notice
Online_Linkage: <http://www.vpaa.uillinois.edu/policies/web_privacy.cfm>
Cross_Reference:
Citation_Information:
Title:
University Copyright Policy (stated in the General Rules Concerning University Organization and Procedure, Article III, Section 4)
Online_Linkage: <http://www.uillinois.edu/trustees/rules.cfm#sec34>
Cross_Reference:
Citation_Information:
Title:
Policy on Appropriate Use of Computers and Network Systems at the University of Illinois at Urbana-Champaign
Online_Linkage: <http://www.fs.uiuc.edu/cam/CAM/viii/viii-1.1.html>

Data_Quality_Information:
Attribute_Accuracy:
Attribute_Accuracy_Report: No report.
Logical_Consistency_Report: No report.
Completeness_Report:
This is an accurate representation of the Leighton et al. (1948) map.
Positional_Accuracy:
Horizontal_Positional_Accuracy:
Horizontal_Positional_Accuracy_Report:
Horizontal positional accuracy is verified by visual comparison of source and hard copy plots to be within one line-width. See sources for a determination of the accuracy of source materials. These are generalized boundaries of gross physiography in Illinois and are not intended to represent sharp lines of transition from one area to the next.
Lineage:
Source_Information:
Source_Citation:
Citation_Information:
Originator: Leighton, M. M., G. E. Ekblaw, and L. Horberg
Publication_Date: 1948
Title: Physiographic Divisions of Illinois
Geospatial_Data_Presentation_Form: map
Series_Information:
Series_Name: ISGS Report of Investigations
Issue_Identification: 129
Publication_Information:
Publication_Place: Champaign, Illinois
Publisher: Illinois State Geological Survey
Source_Scale_Denominator: 3000000
Type_of_Source_Media: paper
Source_Time_Period_of_Content:
Time_Period_Information:
Single_Date/Time:
Calendar_Date: 1948
Source_Currentness_Reference: publication date
Source_Citation_Abbreviation: RI 129
Source_Contribution:
Source map was a photocopy of an original 1:3,000,000 map (Figure 1). Source contributed lines and physiographic division names.
Process_Step:
Process_Description:
Originally digitized in November, 1993. Arc topology present. Source map was a photocopy of an original 1:2,000,000 map (Figure 1, RI 129). Tics at county intersections were used as registration points.
Process_Date: 1993
Process_Step:
Process_Description:
Data set was reviewed in May, 1998. Review was limited to internal logical consistency of attribute items. Locations of features and accuracy of item values were not checked, except in cases where possible errors became apparent as a result of logical consistency checks. No checks were performed that involved plotting of hardcopy maps and manual overlay with source materials.

Some changes were made, as follows:

Values indicating line type were stored in the cover-id. A new item called SYMBOL was added the values to that item. The cover-ids were recalculated to be unique.

Process_Date: 199806
Process_Step:
Process_Description:
Source coverage (physio) converted to double precision and reprojected to GCS_NAD83 using Workstation ArcInfo 7.2.1.

The features were imported into the ISGS SDE enterprise database following steps outlined in ISGS procedure GISDB_0009.

Metadata updated.

Process_Date: 20040423
Process_Contact:
Contact_Information:
Contact_Person_Primary:

Spatial_Data_Organization_Information:
Direct_Spatial_Reference_Method: Vector
Point_and_Vector_Object_Information:
SDTS_Terms_Description:
SDTS_Point_and_Vector_Object_Type: String
Point_and_Vector_Object_Count: 28

Spatial_Reference_Information:
Horizontal_Coordinate_System_Definition:
Geographic:
Latitude_Resolution: 0.000001
Longitude_Resolution: 0.000001
Geographic_Coordinate_Units: Decimal degrees
Geodetic_Model:
Horizontal_Datum_Name: North American Datum of 1983
Ellipsoid_Name: Geodetic Reference System 80
Semi-major_Axis: 6378137.000000
Denominator_of_Flattening_Ratio: 298.257222
Vertical_Coordinate_System_Definition:
Altitude_System_Definition:

Entity_and_Attribute_Information:
Detailed_Description:
Entity_Type:
Entity_Type_Label: IL_Physio_Regions_1993_Ln
Attribute:
Attribute_Label: FID
Attribute_Definition: Internal feature number.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain:
Sequential unique whole numbers that are automatically generated.
Attribute:
Attribute_Label: Shape
Attribute_Definition: Feature geometry.
Attribute_Definition_Source: ESRI
Attribute_Domain_Values:
Unrepresentable_Domain: Coordinates defining the features.
Attribute:
Attribute_Label: SYMBOL
Overview_Description:
Entity_and_Attribute_Overview:
Attribute items are in typical SDE feature class format. Those requiring explanation are:

Arc attributes: SYMBOL - Defines line thickness, which in turn divide the various regions: 9 - Thick line, separates major physiographic provinces 5 - Medium weight line, separates physiographic sections (within provinces) 1 - Thin line, separates physiographic divisions (within sections)

Annotation Attributes: Physiographic division names are indicated by annotation (labels) in the companion shapefile IL_Physio_Regions_1993_Anno_Ln. Provinces, Sections, and Divisions included are:

Central Lowland Province Ozark Plateaus Province Interior Low Plateaus Province Coastal Plain Province

Wisconsin Driftless Section Great Lake Section Till Plains Section Dissected Till Plains Section Lincoln Hills Section Salem Plateau Section Shawnee Hills Section

Rock River Hill Country Wheaton Morainal Chicago Lake Plain Green River Lowland Kankakee Plain Galesburg Plain Bloomington Ridged Plain Springfield Plain Mt. Vernon Hill Country

Entity_and_Attribute_Detail_Citation: none

Distribution_Information:
Distributor:
Contact_Information:
Contact_Organization_Primary:
Contact_Organization:
Information Office, Illinois State Geological Survey (ISGS), a division of the Institute of Natural Resource Sustainability (INRS) of the University of Illinois
Contact_Address:
Address_Type: mailing and physical address
Address: 615 East Peabody Drive
City: Champaign
State_or_Province: Illinois
Postal_Code: 61820
Country: USA
Contact_Voice_Telephone: 217-333-4747
Contact_TDD/TTY_Telephone: 217-785-0211
Contact_Electronic_Mail_Address: isgs@isgs.illinois.edu
Hours_of_Service: 8:00 a.m. - 4:30 p.m., Monday-Friday, U.S. Central Time
Distribution_Liability:
Refer to the Legal Notices of Terms and Conditions of the University of Illinois Web Privacy Policy (there is a link in the Cross References section) for policy statements regarding the following:

Disclaimer of Liability Disclaimer of Warranties and Accuracy of Data Disclaimer of Endorsement Disclaimer for External Links Disclaimer of Duty to Continue Provision of Data Security Choice of Law

By obtaining these data you agree to the provisions of the University of Illinois Web Privacy Policy, regardless of the manner in which the information was obtained.

Technical_Prerequisites:
The data are intended for use with GIS software. The ISGS uses ESRI ArcGIS software, however, ESRI formats can be imported into many different GIS software packages. It is expected that customers who obtain these data have the technical expertise to use GIS software. The ISGS does not provide software support of any kind.

Metadata_Reference_Information:
Metadata_Date: 20090224
Metadata_Contact:
Contact_Information:
Contact_Organization_Primary:
Contact_Instructions: Please refer to the Distribution Information section.
Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata
Metadata_Standard_Version: FGDC-STD-001-1998
Metadata_Time_Convention: local time
Metadata_Access_Constraints:
The access constraints as stated for the data apply also to the metadata. Refer to the Access Constraints section of the Identification Information section.
Metadata_Use_Constraints:
The use constraints as stated for the data apply also to the metadata. Refer to the Use Constraints section of the Identification Information section.
Metadata_Extensions:
Online_Linkage: <http://www.esri.com/metadata/esriprof80.html>
Profile_Name: ESRI Metadata Profile

Illinois Natural Resources Geospatial Data Clearinghouse

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