Montana Rocks! - Talc Montana Department of Environmental Quality 2:03 2 years ago 1 368 Далее Скачать
Montana Rocks! - Shonkinite Montana Department of Environmental Quality 2:40 2 years ago 1 317 Далее Скачать
Montana Rocks! - Garnet Ore Montana Department of Environmental Quality 2:19 2 years ago 2 491 Далее Скачать
Uncover What's Hidden Beneath Your Feet: Exploring Agate-filled Gravels and More During This Hike Montana Rock Mom 23:47 2 weeks ago 25 764 Далее Скачать
Roadside Geology of Montana - Zoom presentation with Dr. Rob Thomas Swan Valley Connections 1:40:09 2 years ago 2 131 Далее Скачать
Montana Rocks! - Copper Minerals Montana Department of Environmental Quality 2:18 2 years ago 1 962 Далее Скачать
How to identify 9 minerals in ONE MINUTE using sandpaper, nail, and magnet Soil Mechanics and Engineering Geology 2:01 3 years ago 59 444 Далее Скачать
Montana Rocks! - Sandstone Montana Department of Environmental Quality 2:19 2 years ago 759 Далее Скачать
