If you’re talking about the impact on wild horses, the answer is yes, according to the writer of a story posted today by World Animal News. It’s an interview with filmmaker James Kleinert.
Western Horse Watchers disagrees. Drilling and mining affect anywhere from a few acres to a few thousand acres, while public-lands ranching affects entire HMAs and beyond—hundreds of thousands of acres.
The emergency roundup mentioned in the article is probably Delamar.
Western Horse Watchers Association 