larson1951
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i took these pictures from a library display
they show the more common and prolific types of material used in the dakotas
as you will see the KRF (knife river flint) is used quite a bit
also the gray material we call TRSS and the correct spelling
larson1951
they show the more common and prolific types of material used in the dakotas
as you will see the KRF (knife river flint) is used quite a bit
also the gray material we call TRSS and the correct spelling
larson1951
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