MEDORA, N.D. (KFYR) - Horse advocates and Theodore Roosevelt National Park have been at odds over the wild stallion Alluvium’s fate ever since the park detained the horse earlier this spring.

The softer rock is eroded away causing the cliff edge ... This deposited sediment is known as alluvium. The floodplain is often a very fertile area due to the rich alluvium deposited by floodwaters.