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Conservation and Survey Division made accessing materials easier | Nebraska Today | University of Nebraska–Lincoln
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Drill core sample of the exploration well EPS-1 from Soultz-sous-Forêts... | Download Scientific Diagram
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Samples, Cores and Data | Michigan Geological Repository for Research and Education | Western Michigan University
![J. Douglas Boles on X: "In October '17 we took core samples of @IMS to see how the track is weathering freezes, thaws, & heat & how water moves under the surface. J. Douglas Boles on X: "In October '17 we took core samples of @IMS to see how the track is weathering freezes, thaws, & heat & how water moves under the surface.](https://pbs.twimg.com/media/FI_0087XoAgJz8I.jpg:large)