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Collection of Borehole Geophysical Logs from Minnesota


Repository Updated


Static metadata (current to August 2018) of Minnesota's borehole geophysical log collection maintained by the Minnesota Geological Survey. This collection is web-accessible through the MGS Open Data Portal at, where users can obtain the most up-to-date information pertaining to old and new borehole geophysical logs and download corresponding PDF and LAS files for each log (if available). The Borehole Geophysical Database (BGD) is a collection of over 7000 borehole geophysical logs of water wells and drill holes throughout Minnesota. Database collections reside at the Minnesota Geological Survey (MGS) and are continually maintained and expanded upon by MGS staff as part of MGS mapping efforts. The BGD [...]

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Material Request Instructions

Andrew Retzler ( or Julia Steenberg (


Geophysical logs measure a variety of rock and water properties. They are imperative for mapping the subsurface where exposures are rare. They allow us to get reliable, low-cost interpretations of the subsurface geology. These PDFs are made available for everyone including: water- and mineral-resource geologists, academic and other state agencies, environmental planning and public health professionals, water well drillers and the general public, to make better decisions on how to use, manage and protect our states resources.


Every attempt has been made to provide accurate data and working hyperlinks to corresponding PDF and LAS files available. Any risk as to the results of the use of this data is assumed by the user. MGS is not responsible for any interpretations or conclusions made by those who acquire or use the information provided by the borehole geophysical database.


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Additional Information

Alternate Titles

  • Borehole Geophysical Database (BGD)

NGGDPP Collection Extension

Borehole geophysical logs (Borehole geophysical logs,
Geophysical (Geophysical,
Research (Research,
General Public (General Public,
Other Government Agencies (Other Government Agencies,
Private Sector (Private Sector,
Professional Researchers (Professional Researchers,
Regulatory Agencies (Regulatory Agencies,
Universities (Universities,
K-12 (K-12,
University Students (University Students,

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