Geologic Investigation Series I-2801

Published 2003
Online Version 1.0

Geologic Map of the Wilderness and Handy Quadrangles, Oregon, Carter, and Ripley Counties, Missouri

By Richard W. Harrison and Robert C. McDowell

Thumbnail image of the geologic map of the Wilderness and Handy, Missouri quadranglesAbove: Thumbnail image of the geologic map of the Wilderness and Handy quadrangles. (Detailed graphics files available for download at right.)

 

The offset-printed version of this map is available for purchase from the USGS Store.

Abstract

The bedrock exposed in the Wilderness and Handy quadrangles, Missouri, comprises Early Ordovician aged dolomite, sandstone, and chert. The sedimentary rocks are nearly flat-lying except where they are adjacent to faults. The carbonate rocks are karstified and the area contains numerous sinkholes, springs, caves, and losing-streams.

This map is one of several being produced under the U.S. Geological Survey National Cooperative Geologic Mapping Program to provide geologic data applicable to land-use problems in the Ozarks of south-central Missouri.  Ongoing and potential industrial and agricultural development in the Ozarks region has presented issues of ground-water quality in karst areas.  These quadrangles contain significant areas of the Mark Twain National Forest, including part of the Eleven Point National Scenic Riverway and the Irish Wilderness Roadless Area. A National Park in this region (Ozark National Scenic Riverways, Missouri ) is concerned about the effects of activities in areas outside of their stewardship on the water resources that define the heart of this Park. This task applies geologic mapping and karst investigations to address issues surrounding competing land use in south-central Missouri. For more information see:
http://geology.er.usgs.gov/eespteam/Karst/

Data Available in this Report

  • Compressed GIS vector data: (shapefiles.zip - 960 KB)
  • ArcMap 9.2 file for displaying GIS data layers (requires ArcMap 9.2 or above) (WH_Arc9_2.zip - 529 KB)
  • Metadata available in compressed .html files: (metadata.zip - 68 KB)
  • Basemaps as compressed georegistered raster files:  (basemaps.zip 6.8 MB)


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