USGS National Assessment of Oil and Gas Resources, Colorado and New Mexico

The assessment unit (AU) layer is a compilation of all AUs that exist either wholly or in part in Colorado and New Mexico. These data have been previously published by the USGS Energy Resources Program National Assessment of Oil and Gas Resources Project as of January 2012. Attributes specific to each AU include: location, unique identifier, year assessed, undiscovered hydrocarbon resource estimates (F95, F50, F5, and mean), geologic probability of resource, original publication information (title, date, authors, URL) and area of each AU in acres and hectares.