From a project on The Gravelly Landscape of Montana

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H. Site Type Summary

The following prehistoric site types have been identified on the forest in the Gravelly Landscape:

* Surface lithic scatters

* Isolate rock cairns

* Rock cairn drivelines

* Stone circles

* Pictographs

* Lithic quarries

* Prehistoric trails

* Vision quest sites

* Prehistoric campsites with culturally stratified components

* Transient campsites

* Bison jump

* Ceremonial sites (other than vision quest sites)