Currentness Reference Geologic Maps were derived based on information available during the period 1993-95. None Use Constraints Credit to Minnesota Geological Survey and Minnesota Department of Natural Resources for use of data in map products. If you modify them, you should document those changes in a metadata record that should accompany all redistributed data. If you transmit or provide these data in any form to another user, the data MUST be accompanied by a copy of this disclaimer and all documentation provided with the original data set including the full metadata record. Ordering Instructions Original digital files in Albers Conformal Conic Projection, NAD27, are available for free download from Minnesota Geological Survey's ftp site.
Files are in dos self-extracting zip format.
Online Linkage Click here to download data. These metadata were created using the Minnesota Geographic Metadata Guidelines . Identification Information 2. Data Quality Information 3. Spatial Data Organization Information 4.