Category Archives: Earth Science

Channel Bank Erosion

The Kanaranzi Creek has had sustained flows at high water levels over much of the past two years. As a result, very active erosion has exposed a whole variety of features. This is a view of the high channel bank … Continue reading

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Water Levels in the Oxbow

This has been a really nice spring. The cold winter weather didn’t just slam into hot summer. We had a lot of sunshine in April; only about a quarter of the days were overcast. In contrast, last year about half … Continue reading

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Kanaranzi Creek and Covid-19

The last two years we’ve had record rainfall and Kanaranzi Creek has changed a lot because of it. Although the spring melts have not produced much flooding, the summer “rain bombs” have resulted in bank-full flows sustained over long periods … Continue reading

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Rural Fall

We had about two inches of snow the other night, but it blew into drifts. Several weeks ago, we had our first accumulating snow that stayed on the level. I had forgotten how much traffic is recorded in a few … Continue reading

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Snowbound

Earlier this week we were snowbound in Colorado. The first storm dropped about 10 inches on our kids’ home in the mountains west of Boulder. The snow piled up on the trees and then fell a second time when the … Continue reading

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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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Springs This Summer

The high rainfall this year and last year has saturated the subsoil and filled the underground storage “tanks”. Actually these buried aquifers are NOT open spaces, like caves, flooded with water. But, instead they are layers of sand and gravel … 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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