North Dakota could be getting its first-ever state rock: a cola-colored stone called Knife River Flint. The idea came from a ...

Silas Fredriksen of the Bottineau Public Schools Rockhounds club testifies in favor of a bill to make Knife River Flint the ...

The slab, measuring 24.1 by 20.1 centimeters, is made from locally sourced vesicular basalt, matching the geological composition of rocks in the ... features 39 unique symbols, some of which ...