Nomad is a great name. I like the way you told mom to back off, but she didn't listen too well. The dirt might have been placed over the valve for insulation during cold weather, maybe? That RV looks sweet. You folks use that for vacationing? Another entertaining video.
Put the dirt back it’s insulating the pipe from freezing. Leaving the dirt out let’s the cold get straight to the pipe. Freeze line is 30 or 36 inches below surface level depending on location.
Oh yeah the hole, probably frost prevention. If that cover fits tight and sheds water filling it with straw might do just as well, we used to have a giant Styrofoam plug.
JayBOB! Awesome thumbnail, Gandalf of the cattle "You shall not pass!". Maybe make a rope halter for handling large calves and small heifers? Name that bull Wild Thing....then when he's with the ladies you can play this song ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-4qHX493bB3U.html 🤣. Be careful out there bud.