In a peer reviewed study by PLoS ONE published last October, it was estimated that about 8.4 million acres of sage brush habitat and 2.7 million acres of grasslands in the Intermountain West will be impacted by oil and gas development. I imagine that at least some of the areas shown here are familiar to many of you.
The map above shows the potential for oil and gas development from low to high. Areas in red have the highest potential and tan have the lowest. Black dots (the black clusters) show producing (active or inactive) well locations (IHS, Inc.). Click on the map for a larger view. Map from PLoS ONE.