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The Owen Expeditions: 1840s surveys along St. Croix River were first of kind
Team led by a top geologist explored region’s natural resources.
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Report explains why groundwater levels have risen near Crex Meadows wetlands
Independent expert agrees that elevated aquifers are caused by increased precipitation.
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Sand barrens in bloom
Botanists have been busy documenting hundreds of plant species found in unique area along upper St. Croix.
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Bike tour explores geology of Marine and Scandia
Biking enthusiast and geologist Dale Setterholm leads two tours on June 11.
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Six ways of seeing the St. Croix: Bedrock geology
The rock underlying the river region spans Earth’s history — and affects the present day.
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Seeing some sights on the upper St. Croix River
A scenic stretch offers wildlife, history, geology, and much more.
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Guest post: Interstate State Park’s bedrock tells a billion-year-old story
Follow a geologist through the Minnesota park as he explains the landscape’s long and fascinating history.
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Chisago County Goes After Gullies
Erosion control is keeping massive amounts of soil and nutrients out of the St. Croix River.
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From Lava to Log Jams: Interstate Park Preserves St. Croix River History
Created in 1895, the state park straddling the St. Croix was the first of its kind in the country.
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The Agate Hunters
There is no closed season for pursuing rocks.
