Illinois State Geological Survey 1996 2.0 (Prior to 1995 no version numbers had been assigned to this coverage. The previous coverage that partially depicted this data will heretofore be assigned as version 1.0 and this coverage is version 2.0.) map ISGS GIS Database coal2-84 Champaign, Illinois Illinois State Geological Survey This is the automated version of the Coal Resources Map (for the same coal seams) by J.D. Treworgy and M.H. Bargh (1984). Downloadable Data (Shift-Click to download data file) <URL:http://www.isgs.uiuc.edu/nsdihome/browse/statewide/coal2-84.e00> Browse Graphic (GIF) Screen-size image representing the nature of the data. <URL:http://www.isgs.uiuc.edu/nsdihome/browse/statewide/coal2-84b.gif> Text (.txt) version of this Metadata file. (Shift-Click to download documentation) <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coal2-84.txt> HTML (.html) version of this Metadata file. (Shift-Click to download documentation) <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coal2-84.html> This is an Arc/Info REGIONS coverage showing coal resources (thickness, depth, and estimated average tonnages) for several coal seams in Illinois. Each coal seam is included as a separate region. The regions are: Colchester, Dekoven, Jamestown, Belle Rive, Bristol Hill, Calhoun, Friendsville, Loudon, Oconee, Opdyke, Shelbyville, and Trowbridge. There is one additional region for areas of no coal. In addition, arcs are attributed to indicate the Pennsylvanian boundary, depth to (top surface) of coals (contours), and 28" and 42" coal isopach lines. This is the automated version of the Coal Resources Map (for the same coal seams) by J.D. Treworgy and M.H. Bargh (1984). This data set has a scale of 1:500,000. This data set was created as part of the ISGS GIS database to show distribution, thickness, depth, and tonnages for several regional coal seams. The data are appropriate for regional analysis. none 1984 publication date of sources complete irregular -91.5826 -87.3840 42.4956 36.9535 none geology coal coal seams mineral resources none Illinois none Pennsylvanian none 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 the appropriate custodial division within DNR. Any hardcopies utilizing DNR 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 DNR data sets, nor to imply that changes they made were approved by DNR. These data are not to be used for commercial profit. Illinois State Geological Survey Information Office mailing and physical address

615 East Peabody Drive

Champaign Illinois 61820 USA 217-333-4747 217-785-0211 217-244-0802 isgs@isgs.uiuc.edu 8:00 a.m. - 4:30 p.m., Monday-Friday, U.S. Central Time > GIS Processing: ISGS Staff > Documentation: D. Nelson and S. Beaverson > Quality Control: ISGS Staff SunOS UNIX, ARC/INFO version 7.0.4 Illinois State Geological Survey 1996 map ISGS GIS Database coalmix-84 Champaign, Illinois Illinois State Geological Survey This is the automated version of the Coal Resources Map (for the same coal seams) by J.D. Treworgy and M.H. Bargh (1984). Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coalmix-84.html> Illinois State Geological Survey 1996 map ISGS GIS Database coal5-84 Champaign, Illinois Illinois State Geological Survey This is the automated version of the Coal Resources Map (for the same coal seam) by J.D. Treworgy and M.H. Bargh (1984). Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coal5-84.html> Illinois State Geological Survey 1996 map ISGS GIS Database coal6-84 Champaign, Illinois Illinois State Geological Survey This is the automated version of the Coal Resources Map (for the same coal seam) by J.D. Treworgy and M.H. Bargh (1984). Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coal6-84.html> Illinois State Geological Survey 1994 map ISGS GIS Database coal7-84 Champaign, Illinois Illinois State Geological Survey This is the automated version of the Coal Resources Map (for the same coal seam) by J.D. Treworgy and M.H. Bargh (1984). Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coal7-84.html> Coal Section, Illinois State Geological Survey 19910101 map ISGS GIS Database clminept Champaign, Illinois Illinois State Geological Survey Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/clminept.html> Stiff, Barbara J. 1997 map ISGS GIS Database coalmines_py Champaign, Illinois Illinois State Geologic Survey Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coalmines_py.html> Stiff, Barbara J. 1997 map ISGS GIS Database coalmines_py2 Champaign, Illinois Illinois State Geologic Survey Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coalmines_py2.html> Illinois Office of Mines and Minerals 1995 map IDNR GIS Database coalprmt Springfield, Illinois Illinois Department of Natural Resources Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/coalprmt.html> The attributes of this coverage were reviewed in 1995-96 by comparison with the attributes of the source paper map and the lines of the source mylar separate. Source accuracy was not addressed in that review. A variety of visual techniques (region shading, line shading and line thicknesses tied to attribute values) and GIS processing techniques (checking for logical consistency) were used. Attribute values for arcs were verified by generating plots with arcs color-coded by designation. These were visually checked for errors. Region attribute items values were verified in a similar manner. For example, thickness and tonnage were checked by plotting maps with a unique color/symbol pattern for each possible combination. These check-plots were visually inspected for the proper designations, and all other regions attributes were verified in the same way. In cases of incorrect or ambiguous attribute values, the sources of the source paper map were consulted, and corrections made. These reviews were performed in an iterative fashion by two or three individuals. There are no arc or region attribute values outside the appropriate value domains. There are no user-defined polygon attributes. Polygon and chain-node topology is present. The coverage was checked for complete chain-node topology (no dangling arcs, except where appropriate), polygon labels (one per polygon, except for universal polygon), correct regions topology, boundary values appropriate for map projection and map units, and appropriate "fuzzy" tolerances. There are no known arc, polygon or region attribute values outside the appropriate value domains. There are 31 dangling arcs in this coverage. These correspond to 31 dangling arcs on the original mylars and the published map. Most of them are incomplete 150 foot depth contour lines. Mine boundaries are current as of 1984 and have not been updated since. Many coal seam boundaries have been generalized using section lines and/or county boundaries because the source data are proprietary. Not all coal seams in Illinois are included. This is a generalized depiction of regional ground condition. Horizontal positional accuracy was verified by manual overlay of source and hard-copy plots. Arcs within line-width of source maps are deemed acceptable. For positional accuracy of source maps, contact the ISGS Coal Section. See Completeness Report. Treworgy, J.D. and M.H. Bargh 1984 map ISGS Map same as title Champaign, Illinois Illinois State Geological Survey 500000 paper 1984 publication date none All attribute information Hunter, K. n/a map 500000 mylar 1984 approximate printing date none coal seam boundary lines and 1000 foot depth contours Hunter, K. n/a map 500000 mylar 1984 approximate printing date none coal seam 150 foot depth contours Hunter, K. n/a map 500000 mylar 1984 approximate printing date none Pennsylvanian boundary lines Illinois State Geological Survey 1984 map ISGS GIS Database townships Champaign, Illinois Illinois State Geological Survey Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/townships.html> 24000 and 62500 digital data set 1984 publication date none townships lines where used as coal seam boundary Illinois State Geological Survey 1984 map ISGS GIS Database counties Champaign, Illinois Illinois State Geological Survey Data Set Documentation <URL:http://www.isgs.uiuc.edu/nsdihome/outmeta/counties.html> 24000 and 62500 digital data set 1984 publication date none county boundaries where used as coal seam boundary Cady, G.H., and others 1952 report ISGS Bulletin 78 Champaign, Illinois Illinois State Geological Survey 138 pages, 8 plates, 37 figures, 1 table Plate 7 available separately out of print 500000 paper 1952 publication date none not available Jacobson, R.J. 1985 report ISGS Circular 536 Champaign, Illinois Illinois State Geological Survey 58 pages, 6 plates including cross-section, 31 figures, 10 tables 125000 paper 1985 publication date none not available Roger B. Nance and Treworgy, Colin G. 1981 report ISGS Circular 515 Champaign, Illinois Illinois State Geological Survey 32 pages, 2 plates, 11 figures, 10 tables 1 inch = 2 miles (approx.) paper 1981 publication date none not available Reinertsen, D. L. 1963 report Circular 374 Champaign, Illinois Illinois State Geological Survey 32 pages, 1 plate, 7 figures, 5 tables Plate available separately out of print 1 inch = 2 miles (approx.) paper 1963 publication date none not available Searight, T.K. and W.H. Smith 1969 report Circular 439 Champaign, Illinois Illinois State Geological Survey 22 pages, 2 plates, 3 figures, 1 table 1 inch = 2 1/4 miles (approx.) paper 1969 publication date none not available Smith, W.H. 1957 report Circular 228 Champaign, Illinois Illinois State Geological Survey 39 pages, 2 figures, 2 plates, 5 tables Plate 3 available separately 1 inch = 2 miles (approx.) paper 1957 publication date none not available Smith, W.H. 1958 report Circular 260 Champaign, Illinois Illinois State Geological Survey 35 pages, 4 plates, 4 figures, 6 tables Plate 1 available separately out of print 1 inch = 2 miles (approx.) paper 1958 publication date none not available Smith, W. H. 1961 report Circular 311 Champaign, Illinois Illinois State Geological Survey 40 pages, 4 plates, 2 figures, 4 tables Plates 1, 2, and 3 available separately 1 inch = 2 miles (approx.) paper 1961 publication date none not available Smith, W.H. and D.J. Berggren 1963 report Circular 348 Champaign, Illinois Illinois State Geological Survey 59 pages, 4 plates, 7 figures, 8 tables Plates 1, 2, and 3 available separately 1 inch = 2 miles (approx.) paper 1963 publication date none not available Treworgy, C.G. and M.H. Bargh 1982 report Circular 527 Champaign, Illinois Illinois State Geological Survey 65 pages, 2 plates, 25 figures, 5 tables 1 inch = 24 miles (approx.) paper 1982 publication date none not available > Tics: > Tics from three different sources were used. Six tics > that correspond to the registration marks on the > mylar separates were taken from the coal coverage BASE, > which was automated in 1984 by ESRI. Eight tics that > correspond to lat/long intersections were taken from > *path_name_suppressed*/DEMTILES. Four tics from > *path_name_suppressed*/COUNTIES were also used. 1995 > Digitizing: > The coverage was digitized from the mylar separates that were > used in the printing of the published hard copy maps. The > separates were obtained from Colin Treworgy, ISGS Coal Section. > Three separates were used: > 1) black line separate, representing all boundaries of coal bodies, > 2) red line separate, representing the 150 foot depth line, and > 3) Pennsylvanian boundary separate. Separates were digitized at the 1:500,000 scale on a GTCO Super L II digitizing board. Black lines were digitized by M. Greenpool during February, March and April 1995, with a maximum RMS of 0.008. Red lines were digitized by R. Rice during May and July, 1995, with a maximum RMS of 0.005. The Pennsylvanian boundary was digitized into a separate coverage by M. Riggs during June, 1995, with a maximum RMS of 0.005. Inset areas of the map were digitized during October 1995, into a separate coverage by R. Rice, with a maximum RMS of 0.008. 1995 > Processing > 1. There are township and county boundary arcs on the > published map which are not on the mylars. The > corresponding arcs were copied from the COUNTIES > and TOWNSHIPS coverages in the ISGS GIS database > directory *path_name_suppressed*/ILLIMAP > and incorporated into this coverage. > > 2. The Pennsylvanian boundary arcs were copied into > the coverage. > > 3. Items for the .PAT and the .AAT files were added > to the coverage. > The .PAT items were: > thick 2 2 i > depth 2 2 i > tons 2 2 i > penn 2 2 i > cbn 20 20 c coalbodyname > done 2 2 i > > The .AAT items were: > thick 2 2 i > depth 2 2 i > penn 2 2 i > qual 2 2 i > done 2 2 i > > The "done" items were used during the attribute coding > phase to indicate whether or not coding of a feature was > complete. When this phase was complete, the "done" items > were deleted from the .PAT and .AAT files. 1995-96 Polygons and arcs for both the main working coverage and the inset coverage were coded according to the information depicted on the published map. In several cases, depth assignments were not obvious on the published map: in this case the source publications listed on the published map were consulted in order to make a depth assignment. The coverages at this point were CL4 (main map) and INSERT3 (inset portion). 1995-96 The inset coverage has polygons that overlap polygons on the main map coverage, which is why they were digitized and processed as two separate coverages. In order to join them into a single coverage, the Regions subclass function of Arc/Info was utilized. First, CL4 was copied to new name COAL2. Arcedit was used to select and put features from INSERT3 to COAL2. As a result, COAL2 had full arc and polygon topology from both CL4 and INSERT3. Next each polygon in COAL2 was coded for the appropriate coal body name. POLYREGION was used to create a region subclass called ALLCOALS in COAL2, which consisted of all polygons in the coverage. Then REGIONQUERY was used to generate the 12 coal region subclasses and the NOCOAL subclass from the ALLCOALS region. 1996 As a final processing step, the coverage was renamed COAL2-84. 1996 Revisions: Prior to 19951010 no revision numbers had been assigned to this coverage. The previous coverage that partially depicted this data will heretofore be assigned as revision #1, and this coverage is revision #2. 1995 Reviews Applied to Data: In late 1995 and early 1996 the coverage had an extensive Quality Assurance/Quality Control review. Linework was verified by overlaying a plot of the arcs on the original mylars. Digitized arcs within one line-width of the original linework were deemed acceptable. Those outside one line-width were corrected. Attribute values were verified by comparing a set of plots (that depicted the value of the .AAT or .PAT attribute) with the published maps. Reviews of this coverage were done by M. Riggs, S. Elinski and D. Nelson (in a reiterative fashion) until all linework and attribute coding was deemed acceptable. 1996 Vector Point 707 String 1960 GT-polygon composed of chains 708 Lambert Conformal Conic 33 0 0.000 45 0 0.000 -89 30 0.000 33 0 0.000 914400.00000 meters 0.00000 coordinate pair unknown unknown feet NAD27 CLARKE1866 6378206.4 meters 294.98 Attribute items are in typical ARC/INFO feature class format. This coverage has arc, polygon and region feature classes. > REGIONS > ----------------------------------------------------- > Arc/Info region Coal represented > sub-class > name > > ALLCOALS Areas on source map with coal > BELLERIVE Belle Rive > BRISTOL Bristol Hill > CALHOUN Calhoun > COLCH Colchester (no.2) > DEKOVEN Dekoven > FRIEND Friendsville > JAMES Jamestown > LOUDON Loudon > NOCOAL Areas on source map without coal > OCONEE Oconee > OPDYKE Opdyke > SHELBY Shelbyville > TROW Trowbridge > > > Region attributes: > For the region .PATs (there is a separate one for each region) > there are four items in addition to the four standard items. > They are: > > THICK - thickness of the coal body > 0 - mined out > 1 - coal is greater than 42 inches thick > 2 - coal is from 28-42 inches thick > 3 - coal is from 18-28 inches thick > 4 - insufficient data for resource estimation or > unmapped area > 5 - coal split or thin > 6 - coal missing due to sandstone channels > 7 - coal eroded > 8 - not used > 9 - outside limit of coal seam > 10 - coal deeper than 150 feet and less than 28 inches > thick or coal shallower than 150 feet and less > than 18 inches thick > 11 - area of potential resources; resources cannot be > be categorized at this scale due to irregularity > of thickness > 12 - coal less than 42 inches thick; resources not calculated > > DEPTH - depth to the coal body > 0 - mined out > 1 - depth to coal less than 150 feet > 2 - depth to coal 150-1000 feet > 3 - depth to coal greater than 1000 feet > 4 - depth to coal less than 1000 feet > 5 - not used > 6 - not used > 7 - not used > 8 - coal not present > 9 - outside limit of coal seam > 10 - coal deeper than 150 feet and less than 28 inches > thick or coal shallower than 150 feet and less > than 18 inches thick > 11 - area of potential resources; resources cannot > be categorized at this scale due to irregularity > of thickness > > TONS - estimated average tons of coal in millions of tons of > coal per square mile (estimates based on an assumed > coal density of 1800 tons per acre-foot) > 1 - less than 4 tons > 2 - 4 to 5.5 tons > 3 - 5.5 to 7 tons > 4 - greater than 7 tons > 5 - tonnage not calculated or not applicable > > PENN - indicates whether or not polygon is within > Pennsylvanian boundary > 0 - polygon is outside Pennsylvanian boundary > 1 - polygon is within Pennsylvanian boundary > > CBN - coal seam name > > > Arc attributes: > There are arc attributes for the entire coverage. There are > no arc attributes for the individual regions. There are four > items in addition to the standard ones. They are: > > THICK - indicates if arc is a coal isopach, and if so, > the thickness value associated with the isopach > 0 - arc is not an isopach > 1 - 28 inch isopach > 2 - 42 inch isopach > > DEPTH - indicates if arc is a depth contour, and if so, > the depth value (to the surface of the coal body) > associated with the depth contour > 0 - arc is not a depth contour > 1 - 150 depth contour > 2 - 1000 foot depth contour > > PENN - indicates whether or not arc is a part of the > Pennsylvanian boundary > 0 - arc is not a part of the Pennsylvanian boundary > 1 - arc is a part of the Pennsylvanian boundary > > QUAL - indicates if arc is represented in coverage > differently than it appears on source map > (qualifier for lines differing from source map) > 0 - no qualifier, line appears as a solid line on source map > 1 - line is dashed on source map > 2 - line does not appear on source map, has been > added in order to close a polygon > > Note: > There are 31 dangling arcs in this coverage. These > correspond to 31 dangling arcs on the original mylars > and the published map. Most of them are incomplete > 150 foot depth contour lines. none Illinois State Geological Survey Information Office mailing and physical address

615 East Peabody Drive

Champaign Illinois 61820 USA 217-333-4747 217-785-0211 217-244-0802 isgs@isgs.uiuc.edu 8:00 a.m. - 4:30 p.m., Monday-Friday, U.S. Central Time An Arc/Info .e00 (export) file is currently available free of charge at the Illinois Natural Resources Geospatial Data Clearinghouse. Refer to the Citation Information portion of this file for access to downloadable data and metadata, and a visual (GIF image) representation of the data. Shift-click to download the data set and related documentation. (Data and metadata offered separately, please download both files.) The Illinois Department of Natural Resources (DNR) provides these geographic data "as is." DNR makes 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. 19980731 19980731 200008 Illinois State Geological Survey Information Office mailing and physical address

615 East Peabody Drive

Champaign Illinois 61820 USA 217-333-4747 217-785-0211 217-244-0802 isgs@isgs.uiuc.edu 8:00 a.m. - 4:30 p.m., Monday-Friday, U.S. Central Time FGDC Content Standards for Digital Geospatial Metadata FGDC-STD-001-1998 none none