glennwalquist New Contributor 1 research notes and 1 wiki edits

I am a small animal Veterinarian processing in Ludington, MI.



Joined almost 2 years ago


Monitoring Sargent Sand Mining operation in Ludington, Michigan

by glennwalquist New Contributor almost 2 years ago | 24 | 422 | 3


Recent conversations on the frac sand issue

by stevie about 1 month ago | 10 | 213 | 2

Over the past month or so I've been getting in touch with some friends in the Midwest area who a...

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Calculating volume from ground level photos?

warren asked about over 1 year ago

Answers by glennwalquist

View these maps at MapKnitter.org »

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