The Papei territory where Raw is rescued has plants too big to be bushes, too many branches coming out of the ground to be trees, and all planted in a grid pattern. That is almost certainly a hazelnut orchard (in late autumn or winter). There are many hazelnut orchards just east of Vancouver. Hazelnut, normally a regular looking tree, can be forced to grow many small, angled trunks. Doing that makes harvesting easier.
The house number of DG's Kansas home is 39, the same year the original The Wizard of Oz (1939) came out as a film. You see this briefly in the start of the storm scene.