ÿþ<HTML> <HEAD> <STYLE> BODY {background-color:#FBFFFF; margin:0.25in; font-size:10pt; font-family:Arial,sans-serif} H1 {margin-left:0.05in; position:relative; top:-6; text-align:center; font-weight:bold; font-size:18; font-family:Verdana,sans-serif; color:#006400} H2 {margin-left:0.25in; position:relative; top:-16; text-align:center; font-size:13; font-family:Verdana,sans-serif; color:#006400} TABLE {position:relative; top:-10; valign:top; table-layout:fixed; border-collapse:collapse} TD {text-align:center} TD {font-weight:bold; font-size:11pt; border-color:#6495ED} .tsel {color:#FFFFFF; background-color:#6495ED} .tun {color:#00008B; background-color:#B8DEFA} .tover {color:#0000CD; background-color:#B8E6FF; cursor:hand} .f {background-color:#FFFFFF; border:'1.5pt solid #6495ED'; position:relative; top:-10} .ph1 {color:#2E8B57; font-weight:bold; cursor:} .ph2 {margin-left:0.2in; color:#2E8B57; font-weight:bold; cursor:} .pover1 {color:#006000; font-weight:bold; cursor:hand} .pover2 {margin-left:0.2in; 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if (theGroup.style.display == "none") { theGroup.style.display="block"; } else { theGroup.style.display="none"; } window.event.cancelBubble = true; } //returns the name of the element containing the text associated with each tab function getAssociated(e) { if (e.tagName == "TD") { switch (e.id) { case "DescTab": return (Description); case "SpatialTab": return (Spatial); case "AttribTab": return (Attributes); } } } //centers the thumbnail function position() { var e; e = document.all("thumbnail"); if (e != null) { b = document.body; w1 = b.clientWidth - 80; w2 = w1 - thumbnail.width; var margin = Math.floor(w2 * .5); thumbnail.style.visibility = "hidden"; thumbnail.style.marginLeft = margin; thumbnail.style.visibility = "visible"; } } //parse text to respect line breaks added - increases readability. //lines beginning with a ">" character are presented with a monospace //(fixed-width) font - e.g., so equations will appear correctly function fix(e) { var par = e.parentNode; e.id = ""; var pos = e.innerText.indexOf("\n"); if (pos > 0) { while (pos > 0) { var t = e.childNodes(0); var n = document.createElement("PRE"); var s = t.splitText(pos); e.insertAdjacentElement("afterEnd", n); n.appendChild(s); e = n; pos = e.innerText.indexOf("\n"); } var count = (par.children.length); for (var i = 0; i < count; i++) { e = par.children(i); if (e.tagName == "PRE") { pos = e.innerText.indexOf(">"); if (pos != 0) { n = document.createElement("DIV"); e.insertAdjacentElement("afterEnd", n); n.innerText = e.innerText; e.removeNode(true); } } } if (par.children.tags("PRE").length > 0) { count = (par.childNodes.length); for (i = 0; i < count; i++) { e = par.children(i); if (e.tagName == "PRE") { e.id = ""; if (i < (count-1)) { var e2 = par.children(i + 1); if (e2.tagName == "PRE") { e.insertAdjacentText("beforeEnd", e2.innerText+"\n"); e2.removeNode(true); count = count-1; i = i-1; } } } } } } else { n = document.createElement("DIV"); par.appendChild(n); n.innerText = e.innerText; e.removeNode(true); } } --></SCRIPT> </HEAD> <BODY onload="position();" onresize="position();" oncontextmenu="return true"> <H1>CONTOURS_24K_USGS_CHICAGO: Elevation Contours from 7.5-Minute Topographic Quadrangle Maps, Grouped into the 30' x 1° Chicago Quadrangle, Indiana and Illinois (United States Geological Survey, 1:24,000, Line Shapefile)</H1> <TABLE cols="3" frame="void" rules="cols" width="315" height="28"> <COL WIDTH="105" /><COL WIDTH="105" /><COL WIDTH="105" /> <TR height="28" onmouseover="doHilite()" onmouseout="doHilite()" onclick="changeTab(this)"> <TD ID="DescTab" CLASS="tsel" TITLE="Click to see a description of the data">Description</TD> <TD ID="SpatialTab" CLASS="tun" TITLE="Click for details about the spatial data">Spatial</TD> <TD ID="AttribTab" CLASS="tun" TITLE="Click for details about the attribute data">Attributes</TD> </TR> </TABLE> <DIV ID="Group" CLASS="f"> <DIV ID="Description" CLASS="pv" STYLE="display:block"><BR /> <DIV CLASS="pn">Keywords</DIV> <DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Theme: </SPAN> Indiana Geological Survey (IGS), cartography, geographic information system (GIS), hypsography, line, quadrangle, topographic map, topology, vector</DIV> <DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Theme: </SPAN> elevation</DIV> <DIV STYLE="margin-left:0.2in" CLASS="lt2"><SPAN CLASS="pn">Place: </SPAN> Chicago Quadrangle, Indiana, Illinois, Lake County, Porter County</DIV> <BR /> <DIV CLASS="pn">Description</DIV> <DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Abstract <DIV CLASS="pe2" STYLE="display:"> <SPAN CLASS="lt"><PRE ID="original">CONTOURS_24K_USGS_CHICAGO is a shapefile containing elevation contours produced at a scale of 1:24,000, grouped into a 30' x 1° quadrangle block. Elevation values are in feet. The following is extracted from metadata of the United States Geological Survey for the original DLGs: "Digital line graph (DLG) data are digital representations of cartographic information. DLGs of map features are converted to digital form from maps and related sources... All DLG data distributed by the USGS are DLG - Level 3 (DLG-3), which means the data contain a full range of attribute codes, have full topological structuring, and have passed certain quality-control checks."</PRE></SPAN><BR /> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> <DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Purpose <DIV ID="Purpose" CLASS="pe2" STYLE="display:"> <SPAN CLASS="lt"><PRE ID="original">This shapefile is a digital representation of elevation contours shown on 7.5-minute (1:24,000 scale) topographic quadrangle maps of the United States Geological Survey. It has been processed into a GIS layer with simplified attributes for ease of use. The following is extracted from metadata of the United States Geological Survey for the original DLGs: "DLGs depict information about geographic features on or near the surface of the Earth, terrain, and political and administrative units. These data were collected as part of the National Mapping Program."</PRE></SPAN><BR /> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Status of the data <DIV CLASS="pe2" STYLE="display:none"> Complete<BR /><I>Data update frequency: </I> None planned<BR /></DIV> </DIV> <BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Time period for which the data is relevant <DIV CLASS="pe2" STYLE="display:none"> <DIV><I>Date and time: </I> 2002</DIV> <DIV> <I>Description: </I> <SPAN CLASS="lt"><PRE ID="original">Publication date</PRE></SPAN><BR /> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> </DIV> <BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Publication Information <DIV CLASS="pe2" STYLE="display:none"><SPAN CLASS="lt2"> <I>Who created the data: </I>United States Geological Survey (USGS), Indiana Geological Survey (IGS), Paul Irwin (digital processor)<BR /></SPAN> <DIV><I>Date and time: </I> 20031023</DIV> <DIV><I>Publisher and place: </I> Indiana Geological Survey, Bloomington, Indiana </DIV> </DIV> </DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Data storage and access information <DIV CLASS="pe2" STYLE="display:none"> <I>Type of data: </I>Vector digital data<BR /> <DIV><I>Location of the data: </I></DIV><DIV><LI STYLE="margin-left:0.2in">http://igs.indiana.edu/arcims/statewide/download.html</LI></DIV> <I>Data processing environment: </I><SPAN CLASS="lt">Windows NT version 4.0, approximately 6.81 Mb</SPAN><BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Constraints on accessing and using the data <DIV CLASS="pe2" STYLE="display:none"> <I>Access constraints: </I> <SPAN CLASS="lt">This file is available to anyone, but access may be contingent on written request, specific terms relevant to the agency or person making the request, and (or) current freedom of information statutes in the state of Indiana.<BR /></SPAN><DIV> <I>Use constraints: </I> <SPAN CLASS="lt"><PRE ID="original">DATA DISCLAIMER This data set was compiled by Indiana University, Indiana Geological Survey, using data believed to be accurate; however, a degree of error is inherent in all data. This product is distributed "AS-IS" without warranties of any kind, either expressed or implied, including but not limited to warranties of suitability to a particular purpose or use. No attempt has been made in either the design or production of these data to define the limits or jurisdiction of any federal, state, or local government. These data are intended for use only at the published scale or smaller and are for reference purposes only. They are not to be construed as a legal document or survey instrument. A detailed on-the-ground survey and historical analysis of a single site may differ from these data. COPYRIGHT 2003, THE TRUSTEES OF INDIANA UNIVERSITY, INDIANA GEOLOGICAL SURVEY, ALL RIGHTS RESERVED The information on these media is proprietary to Indiana University, Indiana Geological Survey. Any copying, adaptation, distribution, public performance, or public display of this information without the express written consent of Indiana University, Indiana Geological Survey is discouraged. CREDIT It is requested that the Indiana Geological Survey be cited in any products generated from this data. The following source citation should be included: CONTOURS_24K_USGS_CHICAGO: Elevation Contours from 7.5-Minute Topographic Quadrangle Maps, Grouped into the 30' x 1° Chicago Quadrangle, Indiana and Illinois (United States Geological Survey, 1:24,000, Line Shapefile). WARRANTY Indiana University, Indiana Geological Survey warrants that the media on which this product is stored will be free from defect in materials and workmanship for ninety (90) days from the date of acquisition. If such a defect is found, return the media to Publication Sales, Indiana Geological Survey, 611 North Walnut Grove, Bloomington, Indiana 47405 2208, and it will be replaced free of charge. LIMITATION OF WARRANTIES AND LIABILITY Except for the expressed warranty above, the product is provided "AS IS", without any other warranties or conditions, expressed or implied, including, but not limited to, warranties for product quality, or suitability to a particular purpose or use. The risk or liability resulting from the use of this product is assumed by the user. Indiana University, Indiana Geological Survey shares no liability with product users indirect, incidental, special, or consequential damages whatsoever, including, but not limited to, loss of revenue or profit, lost or damaged data or other commercial or economic loss. Indiana University, Indiana Geological Survey is not responsible for claims by a third party. The maximum aggregate liability to the original purchaser shall not exceed the amount paid by you for the product.</PRE></SPAN><BR /> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> </DIV> </DIV> </DIV> <BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details about this document <DIV CLASS="pe2" STYLE="display:none"> <DIV>Contents last updated: 20031023</DIV> <DIV>Contents last reviewed: 20031104</DIV> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who completed this document <DIV CLASS="pe2" STYLE="display:none"> Chris Dintaman<BR />Indiana Geological Survey<BR /><I>Mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in"> <DIV CLASS="lt"> <PRE ID="original">611 North Walnut Grove</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <DIV> Bloomington, Indiana 47405-2208</DIV> <DIV>USA</DIV></DIV> <BR /> 812-856-5654 (voice)<BR />812-855-2862 (fax)<BR />cdintama@indiana.edu<BR /><BR /> <DIV><I>Hours of service:</I> 0800 to 1700 Eastern Standard Time</DIV><DIV><I>Contact Instructions:</I></DIV> <DIV STYLE="margin-left:0.3in"> <PRE ID="original">Monday through Friday, except holidays</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <BR /> </DIV> </DIV> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Standards used to create this document <DIV CLASS="pe2" STYLE="display:none"> <I>Standard name: </I>FGDC CSDGM<BR /> <I>Standard version: </I>FGDC-STD-001-1998<BR /> </DIV> </DIV> </DIV> </DIV> <BR /> </DIV> <DIV ID="Spatial" class="pv" STYLE="display:none"><BR /> <DIV CLASS="pn">Horizontal coordinate system</DIV> <DIV CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Details <DIV CLASS="pe2" STYLE="display:none"> <DIV CLASS="sr1"><SPAN CLASS="pn">Grid Coordinate System Name: </SPAN>Universal Transverse Mercator</DIV> <DIV CLASS="sr2"><I>UTM Zone Number: </I>16</DIV> <DIV CLASS="srh2">Transverse Mercator Projection</DIV> <DIV CLASS="sr3"><I>Scale Factor at Central Meridian: </I>0.999600<BR /> <I>Longitude of Central Meridian: </I>-87.000000<BR /> <I>Latitude of Projection Origin: </I>0.000000<BR /> <I>False Easting: </I>500000.000000<BR /> <I>False Northing: </I>0.000000<BR /> </DIV> <BR /> <DIV CLASS="sr1"><SPAN CLASS="pn">Planar Coordinate Information</SPAN></DIV> <DIV CLASS="sr2"><I>Planar Distance Units: </I>Meters</DIV> <DIV CLASS="sr2"><I>Coordinate Encoding Method: </I>Row and column</DIV> <BR /> <DIV CLASS="srh1">Geodetic Model</DIV> <DIV CLASS="sr2"><I>Horizontal Datum Name: </I>North American Datum of 1983</DIV> <DIV CLASS="sr2"><I>Ellipsoid Name: </I>GRS 80</DIV> <DIV CLASS="sr2"><I>Semi-major Axis: </I>6378137.0000000</DIV> <DIV CLASS="sr2"><I>Denominator of Flattening Ratio: </I>298.26</DIV> </DIV> </DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="pn">Bounding coordinates</DIV> <DIV STYLE="margin-left:0.2in" CLASS="pn">Horizontal</DIV> <DIV STYLE="margin-left:0.4in" CLASS="pn">In decimal degrees</DIV> <DIV STYLE="margin-left:0.6in"><I>West: </I> -87.627465</DIV> <DIV STYLE="margin-left:0.6in"><I>East: </I> -87.000026</DIV> <DIV STYLE="margin-left:0.6in"><I>North: </I> 41.751733</DIV> <DIV STYLE="margin-left:0.6in"><I>South: </I> 41.498340</DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="pn">Lineage</DIV> <DIV CLASS="pn" STYLE="margin-left:0.2in">FGDC lineage</DIV> <DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 1 <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <I>Process description: </I>The DLG files were converted to ESRI coverages using ESRI ArcGIS 8.3 ArcToolbox. Nearly all of the Indiana files were in UTM Zone 16, NAD27 coordinates. The coverages were converted from the NAD27 coordinates to UTM Zone 16, NAD83 coordinates using ESRI ArcToolbox. Individual quadrangle coverages were modified by adding blank major and minor pairs, as necessary, to make the same attribute structure in all 7.5-minute quadrangle areas within a 1:100,000 quadrangle area. The following commands were used to move elevation values from the minor fields to new fields named ELEV, ELEV_TOT, and ELEV_NO. ELEV_TOT was later deleted. In cases where there were more than four major and minor codes, an iterative process was used. Any minor fields which had the code for a depression contour (611) were converted to "YES" values in a field named SINK. Commands: */delete any preexisting fields in the cover.aat table dropitem w_frankfort.aat elev sink elev_tot elev_no */add and define the fields elev,sink,elev_no, and elev_tot additem w_frankfort.aat elev 6 6 i additem w_frankfort.aat sink 3 3 c additem w_frankfort.aat elev_no 2 2 i additem w_frankfort.aat elev_tot 8 8 i */move the data from the appropriate minor pair to the new field sel w_frankfort.aat resel major1 = 22 calculate elev_tot = minor1 calculate elev_no = 1 asel resel minor1 = 611 move 'YES' to sink asel resel major2 = 22 calculate elev_tot = minor2 + elev_tot calculate elev_no = 1 + elev_no asel resel minor2 = 611 move 'YES' to sink asel resel major3 = 22 calculate elev_tot = minor3 + elev_tot calculate elev_no = 1 + elev_no asel resel minor3 = 611 move 'YES' to sink asel resel major4 = 22 calculate elev_tot = minor4 + elev_tot calculate elev_no = 1 + elev_no asel resel minor4 = 611 move 'YES' to sink asel */ calculate the final elev value by dividing the sum of all elevations */ (elev_tot), by the number of elevations per line (elev_no) resel elev_no &gt; 0 calculate elev = elev_tot / elev_no asel A "clean-up macro was then run to drop the unnecessary fields. dropitem muncie.aat muncie.aat major1 minor1 major2 minor2 dropitem muncie.aat muncie.aat major3 minor3 major4 minor4 dropitem muncie.aat muncie.aat elev_tot After these commands were run, the ESRI coverage was converted to an ESRI shapefile using ESRI ArcGIS 8.3 ArcCatalog. Attribute fields specific to the coverage format were dropped from the shapefile.<BR /> <I>Source used: </I>Various DLG files of the USGS<BR /> <I>Source produced: </I>CONTOURS_24K_USGS_CHICAGO.SHP<BR /> <I>Process date: </I>20031022 <BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who did this process <DIV CLASS="pe2" STYLE="display:none"> Paul Irwin<BR />Indiana Geological Survey<BR /><I>Mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in"> <DIV CLASS="lt"> <PRE ID="original">611 North Walnut Grove</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <DIV> Bloomington, Indiana 47405-2208</DIV> <DIV>USA</DIV></DIV> <BR /> 812-855-5812 (voice)<BR />812-855-2862 (fax)<BR />irwinp@indiana.edu<BR /><BR /> <DIV><I>Hours of service:</I> 0800 to 1700 Eastern Standard Time</DIV><DIV><I>Contact Instructions:</I></DIV> <DIV STYLE="margin-left:0.3in"> <PRE ID="original">Monday through Friday, except holidays</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <BR /> </DIV> </DIV> <BR /></DIV> </DIV> <DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 2 <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <I>Process description: </I>This metadata file was pre-parsed and parsed using CNS (Chew and Spit, v. 2.6.1) and MP (Metadata Parser, v. 2.7.1) software written by Peter N. Schweitzer (United States Geological Survey). The errors generated by MP were all addressed and corrected, except that no values were assigned to "Abscissa_Resolution" and "Ordinate_Resolution."<BR /> <I>Process date: </I>20031104 <BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Who did this process <DIV CLASS="pe2" STYLE="display:none"> Chris Dintaman<BR />Indiana Geological Survey<BR /><I>Mailing and physical address:</I><BR /><DIV STYLE="margin-left:0.3in"> <DIV CLASS="lt"> <PRE ID="original">611 North Walnut Grove</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <DIV> Bloomington, Indiana 47405-2208</DIV> <DIV>USA</DIV></DIV> <BR /> 812-856-5654 (voice)<BR />812-855-2862 (fax)<BR />cdintama@indiana.edu<BR /><BR /> <DIV><I>Hours of service:</I> 0800 to 1700 Eastern Standard Time</DIV><DIV><I>Contact Instructions:</I></DIV> <DIV STYLE="margin-left:0.3in"> <PRE ID="original">Monday through Friday, except holidays</PRE> <SCRIPT>fix(original)</SCRIPT> </DIV> <BR /> </DIV> </DIV> <BR /></DIV> </DIV> <DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Process step 3 <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <I>Process description: </I>Metadata imported.<BR /> <I>Source used: </I>C:\DOCUME~1\cdintama\LOCALS~1\Temp\xml58BD.tmp<BR /> </DIV> </DIV> <DIV CLASS="pn" STYLE="margin-left:0.4in">Sources</DIV> <DIV CLASS="ph2" STYLE="margin-left:0.6in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Source 1: Various 1:24,000-scale DLG files of Indiana hypsography. (USGS DLG)<DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <I>Media: </I>Vector digital data<BR /> <I>Scale denominator: </I>24,000<BR /> <I>Contribution: </I>DLGs of hypsography for Indiana<BR /> <DIV CLASS="ph1" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Currentness of this source <DIV CLASS="pe2" STYLE="display:none"> <DIV><I>Date and time: </I> 2002</DIV> </DIV> </DIV> </DIV> </DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="pn">Spatial data quality</DIV> <DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Horizontal positional accuracy <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <SPAN CLASS="lt"><PRE ID="original">Unknown. The following is extracted from metadata of the United States Geological Survey for the original DLGs: "For Digital Revision Status = Not revised"</PRE></SPAN> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> <BR /> <DIV CLASS="ph2" STYLE="margin-left:0.2in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Vertical positional accuracy <DIV CLASS="pe2" STYLE="margin-left:0.2in; display:none"> <SPAN CLASS="lt"><PRE ID="original">Unknown. The following is extracted from metadata of the United States Geological Survey for the original DLGs: "For Hypsography, Hydrography, and Survey Control and Markers Only: For Digital Revision Status = Not revised:"</PRE></SPAN> <SCRIPT>fix(original)</SCRIPT> </DIV> </DIV> <DIV STYLE="text-align:center; color:#6495ED">_________________</DIV><BR /> <DIV CLASS="pn">Spatial data description</DIV> <DIV CLASS="pn" STYLE="margin-left:0.2in">Vector data information</DIV> <DIV CLASS="ph2" STYLE="margin-left:0.4in" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">SDTS description <DIV CLASS="pe2" STYLE="display:none"> <DIV>Feature class: SDTS feature type, feature count</DIV> <DIV STYLE="margin-left:0.2in"> <LI> Feature class: String, 19498 </LI> </DIV> </DIV> </DIV> <BR /> </DIV> <DIV ID="Attributes" class="pv" STYLE="display:none"><BR /> <DIV CLASS="pn">Details for CONTOURS_24K_USGS_CHICAGO.dbf</DIV> <DIV STYLE="margin-left:0.2in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)">Description <DIV CLASS="pe2" STYLE="display:none"> <SPAN CLASS="lt">Shapefile Attribute Table</SPAN><BR /> <SPAN CLASS="lt"><I>Source: </I>None</SPAN><BR /> <BR /> </DIV> </DIV> <DIV STYLE="margin-left:0.2in" CLASS="pn"> Attributes<DIV STYLE="margin-left:0.25in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)"> Shape <DIV CLASS="pe2" STYLE="display:none"> <SPAN CLASS="lt"><I>Definition: </I>Feature geometry</SPAN> <BR /> <SPAN CLASS="lt"><I>Definition Source: </I>ESRI</SPAN> <BR /><br /> <I>Attribute Domain Values:</I><br /><br /> </DIV> </DIV> </DIV> <DIV STYLE="margin-left:0.2in" CLASS="pn"> <DIV STYLE="margin-left:0.25in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)"> Elev <DIV CLASS="pe2" STYLE="display:none"> <SPAN CLASS="lt"><I>Definition: </I>Elevation of the land surface</SPAN> <BR /> <SPAN CLASS="lt"><I>Definition Source: </I>Indiana Geological Survey (IGS)</SPAN> <BR /><br /> <I>Attribute Domain Values:</I><br /><br /> <I>Range Domain:</I> <I>Range Domain Minimum:</I> 0 <I>Range Domain Maximum:</I> 870 </DIV> </DIV> </DIV> <DIV STYLE="margin-left:0.2in" CLASS="pn"> <DIV STYLE="margin-left:0.25in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)"> Sink <DIV CLASS="pe2" STYLE="display:none"> <SPAN CLASS="lt"><I>Definition: </I>Contour line represents a closed topographic depression</SPAN> <BR /> <SPAN CLASS="lt"><I>Definition Source: </I>Indiana Geological Survey (IGS)</SPAN> <BR /><br /> <I>Attribute Domain Values:</I><br /><br /> </DIV> </DIV> </DIV> <DIV STYLE="margin-left:0.2in" CLASS="pn"> <DIV STYLE="margin-left:0.25in" CLASS="ph2" onmouseover="doHilite()" onmouseout="doHilite()" onclick="hideShowGroup(this)"> Elev_no <DIV CLASS="pe2" STYLE="display:none"> <SPAN CLASS="lt"><I>Definition: </I>Number of elevation values originally assigned by the USGS to a single contour line</SPAN> <BR /> <SPAN CLASS="lt"><I>Definition Source: </I>Indiana Geological Survey (IGS)</SPAN> <BR /><br /> <I>Attribute Domain Values:</I><br /><br /> <I>Range Domain:</I> <I>Range Domain Minimum:</I> 0 <I>Range Domain Maximum:</I> 19 </DIV> </DIV> </DIV> <BR /> </DIV> </DIV> </BODY> </HTML>