Location work is a big plus, not only around San Diego, but as far afield as New Orleans.
It would appear that only Cameron and a camera crew got to go to some locations, with dialogue scenes done back at the studio, but still, it adds to the visual texture of the show.
In 1907 the state of Michigan began to issue dated dashboard discs on an annual basis, displayed in conjunction with an owner-provided multi-year plate.
Michigan discontinued discs in 1910, but Nevada, Massachusetts, and New Hampshire experimented with similar systems (sometimes for motorcycles only) through the course of the teens.
Other states also issued metallic dashboard discs in this era, but used them in conjunction with annual dated plates.