The Ovals in the Ground

I found these oval two oval impressions, one large oval, which crossed the path. And a smaller one next to it. The grass, the savannah grass was kind of flattened in a clockwise manner. Like there was some type of rotation possibly. There wasn't anything unusual after the soil samples from what I gathered. That was so you could have been landing gear possibly. Possibly. But I don't think my Geiger counter was sensitive enough if there was something slightly above average reading in the environment.