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.
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 (this version) is designated Edition 20040422.
Edition 1.0 of these data were reviewed for internal logical consistency in June, 1998. As a result, COVER-ID values were recalculated to be unique, and five polygons were deleted. See logical consistency report and process steps for June, 1998 for more details. The updated data set was designated edition 1.1.
Links to these are 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, firstname.lastname@example.org. License fees and a license agreement may be required, depending on the proposed usage.
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.
Some changes were made, as follows:
Deleted five polygons as per Ardith Hansel. They were named Harrisville (2 polys), Temperance Hill (1 poly), Atkinson (2 polys). There is a third Atkinson polygon that was not removed. The two removed were the westernmost pair. These polygons can be identified on the published paper map as the five that lay on the dashed line labeled "Boundary of Woodfordian glaciation", in the northwestern area of the map. New information indicates that these features should not be considered as Woodfordian moraines.
A polygon was mis-labeled "La Mollie". The correct name is "La Moille". The correction was made.
Cover-ids were recalculated to be unique.
The features were imported into the ISGS SDE enterprise database following steps outlined in ISGS procedure GISDB_0009.
NAME - Name of each moraine. If blank. the polygon is not a moraine. A list of these names follows: Arcola, Arlington, Arspie, Atkinson, Barlina, Blodgett, Bloomington (undiff), Buda, Cary, Cerro Gordo, Champaign, Chatsworth, Clarendon, Cullom, Deerfield, Dover, El Paso, Elburn Complex, Ellis, Eureka, Farm Ridge, Fletchers, Fox Lake, Gifford, Gilberts, Gilman, Heyworth, Highland Park, Hildreth, Huntley, Iroquois, Kenneyville, Kings Mill, La Moille, La Mollie, LeRoy, Manhattan, Marengo, Mendota, Metamora, Minonk, Minooka, Mount Palatine, Nevins, Newton, Normal, Norway, Palatine, Paris, Park Ridge, Paw Paw, Paxton, Pesotum, Providence, Ransom, Rantoul, Ridge Farm, Rockdale, Roselle, Saint Anne, Saint Charles, Shabbona, Shaws, Sheffield, Shelbyville (undiff), Shirley, Strawn, Theiss, Tinley, Tuprin, Urbana, Valparaiso (undiff), Van Orion, Varna, Washington, West Chicago, West Ridge, Westfield, Westmont, Wheaton, Wilton Center, Zion City
SYMBOL - indicates if polygon is a moraine 55 - polygon is a moraine 999 - polygon is not a moraine
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
SYMBOL - indicates if polygon is a moraine 55 - polygon is a moraine 999 - polygon is not a moraine none
Illinois Natural Resources Geospatial Data ClearinghouseGenerated by mp version 2.8.25 on Thu Apr 02 09:54:07 2009