The Geology of Badlands National Park
2024年6月7日—Badland,areacutanderodedbymanydeep,tortuousgullieswithinterveningsaw-tootheddivides.Thegulliesextendfrommainriversback ...,Badlandsareatypeofdryterrainwheresoftersedimentaryrocksandclay-richsoilshavebeenextensivelyeroded.Theyarechara...。參考影片的文章的如下: