EGS Collab Testbed 2: Laser Scanned 4100 L Drift Map


The EGS Collab project is evaluating a site for Experiment 2 (hydraulic fracturing/shearing) at a depth of 1.25 km in the Sanford Underground Research Facility (SURF) on the 4100 Level. Two early test holes were drilled in an alcove (formerly known as Battery Charging Station) near Yates Shaft. Recently, we conducted a laser survey around the Testbed 2 to capture the details of the drift. This submission package includes the laser scanned drift map around the Testbed 2. The drift map data are presented in AutoCAD (*dxf), Leapfrog mesh (*.msh), and point cloud (*.csv) file formats.

Note: The coordinate system used is local Homestake Mine Coordinate (HMC) system from an old gold mine that was in operation for over 100 years.

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Additional Info

DOE Project Name: EGS Collab
DOE Project Number: EE0032708
DOE Project Lead: Lauren Boyd
DOI: 10.15121/1593285
Last Updated: 12 months ago
Data from December, 2019
Submitted Dec 19, 2019


Idaho National Laboratory



Publicly accessible License 


Ghanashyam Neupane
Idaho National Laboratory
Randy Deibert
Professional Mapping Surveying LLC.
Patrick Dobson
Lawrence Berkeley National Laboratory


geothermal, energy, Laser scanned drift map, SURF, EGS Collab, hydraulic shearing, Sanford Underground Research Facility, hydraulic fracturing, EGS, laser scanned, drift map, Yates shaft, battery charging station, laser survey, testbed 2, experiment 2, AutoCAD, Leapfrog, point cloud, map, remote sensing


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