Category Archives: Earth Science

Equinox Week

It happens twice a year. The polished surfaces of tombstones facing east, light up to reflect the sunrise. It shows up as a brilliant bright line at the base of the trees on the horizon in this photo that Margaret … Continue reading

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Ice Age Animals

Last week we left the Farm on a quick, nostalgic trip to the Black Hills. We did all the “touristy” things that we haven’t done for decades, including the Mammoth Site at Hot Springs. My bright wife suggested that we … Continue reading

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Two Layers of Bones

This tooth was found several years ago on a sand bar along Kanaranzi Creek. It probably eroded out from the layer of gravel that’s buried beneath the Creek bed. And, it’s probably a tooth from a wooly mammoth. That suggests … Continue reading

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Unsettled Weather

This past weekend a pretty strong storm system blew through South Dakota, Minnesota, and Wisconsin. It was the culmination of a week of unsettled weather and it marked the change from hot and humid to cooler temperatures. We had more … Continue reading

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Sealing the Windmill Well

Last week the windmill well was officially sealed and abandoned. The truck-mounted well rig raised a mast so the long lengths of pipe could be pulled out. The first one to be pulled had the original old pump. It hadn’t … Continue reading

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Climate Change for Kids

Last week we took our South Dakota grandkids to visit the Colorado cousins. There was still snow on the ground when we got to their house in the mountains. And, the abnormal spring weather included snow that kept us from … Continue reading

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Healthy Soil

  This bright yellow ATV was unloaded from the pickup and used to collect soil samples in our west quarter several weeks ago. We don’t have the results back yet, but the 2½ acre grid is the same as that … Continue reading

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