Not the most obvious or practical endeavor for the mobile family, Mom maintained a rock garden. In the background here is the Utah version c1962.
There is also the slightest glimpse of the trailer parked in the back yard in the upper left corner.
Utah Rock Garden
Precariously Parked to Poach "Purty" Rocks
Rather than a warning, the Falling Rocks sign was seen as an opportunity. We would pull off the road and clamber among the rocks while Mom shouted her instructions and eventual selection from the car.