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bemidjidrilling_b

Drilling at the Bemidji Toxics Site using a prototype of the sample-freezing drive shoe during the summer of 1990. Bill Herkelrath is standing near the back of an open pickup truck to the left, and Fred Murphy, Don Boyce, and an assistant (from left to right) are operating the drill rig.

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Back to the Photo Gallery of the Sample-Freezing Drive Shoe in Action

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