Fieldstones ; First Peoples Buffalo Jump, Montana Fieldstones are collected from at or near the surface rather than quarried from bedrock. They are usually weathered and sometimes covered in lichens. Muddy Creek Tumbled Random AshlarFebruary 21, 2017 Montana Moss RockFebruary 17, 2022 Homestead FieldstoneFebruary 21, 2017 Flatwillow Moss RockFebruary 21, 2017 Prairie FieldstoneFebruary 21, 2017 Pipestone GraniteFebruary 21, 2017 Horseshoe BlendFebruary 21, 2017 Muddy Creek Random AshlarNovember 2, 2022