Talk:The Mysterious Mare Do Well/@comment-98.127.251.8-20111128225058/@comment-6808267-20111129090731

It was a hydroelectric dam. There were power transmission towers on top of the building at the bottom of the dam, which is presumably the turbine hall. We do know that Ponyville has electricity since we have seen them use tools and equipment in the past that require it. It's always been a bit of an open question though as to how they generate electricity. This seems to clear it up some and give us one way they do it.

Also, the dam bears a strong resemblance to Hoover Dam, which is why I named it Hoofer Dam.