The Acorn Group Sycamore Canyon Trail
Scientific American - Coffee globes
Coffee production worldwide
The Acorn Group San Andreas Fault
Scientific American - Dengue globes
Dengue Fever effected areas worldwide
Scientific American - Laramidia
The Acorn Group - Anza-Borrego - Palm Canyon Trail
Scientific American - Chocolate globes
Chocolate production world wide
The Acorn Group - Anza-Borrego - 13 Nations
The Acorn Group - Anza-Borrego - Emigrant Trail
Scientific American - Rainfall globes
Scientific American - Rainfall globe
The Acorn Group - Hetch Hetchy Watershed
The Acorn Group - Mojave River
The Acorn Group San Gabriel Watershed