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Service Description: This map is a digital elevation model at 3× vertical exagger- ation that displays the present-day ground surface elevation in shaded relief. It shows standard color representations for elevation. Several key features are prominent on the map:
• Topographic manifestations of subsurface structure, for example, the contrast between (1) the highland of the Ozark Plateau and (2) the lowland of the Illinois Basin, (3) the highland associated with the “crustal bridge” separating the Reelfoot Rift from (4) the southwestern end of the Rome Trough (see also Map 8), (5) the termination of the Mississippi Embayment (see also Map 4), and the abruptness of the borders of the Ozark Plateau. Compare these topographic expressions with the subsurface structures on Maps 5 through 8.
• Pleistocene landscape features, such as (6) the Wis- consinan moraines of Illinois and Indiana. These and other Pleistocene features are shown on Map 4.
• The major drainages of the Midcontinent (Missouri, Mississippi, Ohio, Illinois) and their relation to regional-scale topographic features.
Map Name: Land Surface Topography
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Description: This map is a digital elevation model at 3× vertical exagger- ation that displays the present-day ground surface elevation in shaded relief (Figure 1). It shows standard color represen- tations for elevation. Several key features are prominent on the map:
• Topographic manifestations of subsurface structure, for example, the contrast between (1) the highland of the Ozark Plateau and (2) the lowland of the Illinois Basin, (3) the highland associated with the “crustal bridge” separating the Reelfoot Rift from (4) the southwestern end of the Rome Trough (see also Map 8), (5) the termination of the Mississippi Embayment (see also Map 4), and the abruptness of the borders of the Ozark Plateau. Compare these topographic expressions with the subsurface structures on Maps 5 through 8.
• Pleistocene landscape features, such as (6) the Wis- consinan moraines of Illinois and Indiana. These and other Pleistocene features are shown on Map 4.
• The major drainages of the Midcontinent (Missouri, Mississippi, Ohio, Illinois) and their relation to regional-scale topographic features.
Copyright Text: Illinois State Geological Survey, University of Illinois Urbana-Champaign
Spatial Reference:
PROJCS["Earthscope",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["false_easting",0.0],PARAMETER["false_northing",0.0],PARAMETER["central_meridian",-88.8205],PARAMETER["standard_parallel_1",37.61985],PARAMETER["standard_parallel_2",40.8796],PARAMETER["latitude_of_origin",39.2497],UNIT["Meter",1.0]]
Single Fused Map Cache: false
Initial Extent:
XMin: -733596.7734309623
YMin: -255979.98411538271
XMax: 776301.1449472287
YMax: 665582.609559261
Spatial Reference: PROJCS["Earthscope",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["false_easting",0.0],PARAMETER["false_northing",0.0],PARAMETER["central_meridian",-88.8205],PARAMETER["standard_parallel_1",37.61985],PARAMETER["standard_parallel_2",40.8796],PARAMETER["latitude_of_origin",39.2497],UNIT["Meter",1.0]]
Full Extent:
XMin: -628901.4926203632
YMin: -429375.47374354675
XMax: 671605.8641366292
YMax: 467911.83630385995
Spatial Reference: PROJCS["Earthscope",GEOGCS["GCS_WGS_1984",DATUM["D_WGS_1984",SPHEROID["WGS_1984",6378137.0,298.257223563]],PRIMEM["Greenwich",0.0],UNIT["Degree",0.0174532925199433]],PROJECTION["Lambert_Conformal_Conic"],PARAMETER["false_easting",0.0],PARAMETER["false_northing",0.0],PARAMETER["central_meridian",-88.8205],PARAMETER["standard_parallel_1",37.61985],PARAMETER["standard_parallel_2",40.8796],PARAMETER["latitude_of_origin",39.2497],UNIT["Meter",1.0]]
Units: esriMeters
Supported Image Format Types: PNG32,PNG24,PNG,JPG,DIB,TIFF,EMF,PS,PDF,GIF,SVG,SVGZ,BMP
Document Info:
Title: Land Surface Topography
Author:
Comments: This map is a digital elevation model at 3× vertical exagger- ation that displays the present-day ground surface elevation in shaded relief. It shows standard color representations for elevation. Several key features are prominent on the map:
• Topographic manifestations of subsurface structure, for example, the contrast between (1) the highland of the Ozark Plateau and (2) the lowland of the Illinois Basin, (3) the highland associated with the “crustal bridge” separating the Reelfoot Rift from (4) the southwestern end of the Rome Trough (see also Map 8), (5) the termination of the Mississippi Embayment (see also Map 4), and the abruptness of the borders of the Ozark Plateau. Compare these topographic expressions with the subsurface structures on Maps 5 through 8.
• Pleistocene landscape features, such as (6) the Wis- consinan moraines of Illinois and Indiana. These and other Pleistocene features are shown on Map 4.
• The major drainages of the Midcontinent (Missouri, Mississippi, Ohio, Illinois) and their relation to regional-scale topographic features.
Subject: Land Surface Topography
Category:
Keywords: geology,topography,surficial,bedrock,contours,shaded relief,elevation,Missouri,Illinois,Indiana,Kentucky
AntialiasingMode: None
TextAntialiasingMode: Force
Supports Dynamic Layers: true
MaxRecordCount: 1000
MaxImageHeight: 4096
MaxImageWidth: 4096
Supported Query Formats: JSON, geoJSON
Supports Query Data Elements:
Min Scale: 0
Max Scale: 0
Supports Datum Transformation: true
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