Wisconsin Department of Commerce

Geographic Information Systems

GIS Data - Base Data Listing

Base GIS data and maps are contained on the GIS development server, comgis2, under the directory 'BaseData'. Below are the main Commerce base data folders and description of the folder contents. BaseData is a shared folder and can be found on the network neighborhood under comgis2 in the main folder 'GISdata'.

There are three ways to view and explore the data; ArcGIS desktop GIS software, ArcExplorer (requires the Java runtime environment) and ArcIMS Internet map services (under development). Refer to the GIS Tools page for additional information on these data viewing and exploring tools. Please note that DOP and DRG files cannot be viewed in ArcExploreror and certain ArcIMS applications.

This folder includes aerial digital orthorectified photography (digital ortho photo) for the following counties:
  • Bayfield
  • Brown
  • Door
  • Kewaunee
  • Milwaukee
  • Ozaukee
  • Racine
  • Kenosha
  • Sheboygan
  • Walworth
  • Washington
  • Waukesha

  • DRG_24k
    This data set contains the USGS topographic quadrangle series at 1:24,000 scale. The latitude/longitude interval corresponding to this quadrangle index is 7.5 minutes latitude by 7.5 minutes longitude. The following describes the DNR's index file for the 24K DRGs in greater detail:
    Quadrangle Index - 1:24K Grid

    The _state folder contains the data sets described in the following files:
    readme.doc and readme.txt.

    All the county folders include the following data sets:
    readme.doc and readme.txt.

    the _state folder and county folders contain the data sets described in the following:
    TIGER 2000 Shapefiles General Notes

    This subfolder contains the data sets described in the following file:

    Take me to:
    Commerce GIS Home | Planning for GIS | Assessing GIS Needs | GIS Tools | GIS Data

    This document was last revised: September 25, 2001
    Wisconsin Department of Commerce
    Send comments to Gary T. Schultz