university course on soil
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Free course by Lancaster University on soils: Introducing the World Beneath Our Feet.
Hi guys I signed up for this about 8 months ago, and just got an email saying the course will be live on the 4th of July. I learned about it on a different site, but the guys who took it all said it was good. Even the gurus said it was a well put together course. I encourage you guys to join, I...