6 x 8 oil on primed Hahnemuhle paper. There were some pretty amazing cloud formations and monsoons happening after the duststorm. I'm not used to being able to see such a huge expanse of land to the horizon, since the scale is very different in Hawaii. The Nevada desert and skies seem immense.
Painting oil on paper has a long and illustrious tradition. Corot and the other early plein air landscape painters routinely painted on thin paper which was then mounted onto canvas at a later time. It's a great way to generate a lot of work when weight and portability are extremely important.