Denbury Resources Inc. is an independent oil and natural gas company. The Company's operations are focused in two operating areas: the Gulf Coast and Rocky Mountain regions. Its properties with proved and producing reserves in the Gulf Coast region are situated in Mississippi, Texas, Louisiana and Alabama, and in the Rocky Mountain region are situated in Montana, North Dakota and Wyoming. It had an estimated proved oil and natural gas reserves of 254.5 million barrels of oil equivalent (MMBOE) as of December 31, 2016. Its primary Gulf Coast carbon dioxide (CO2) source is Jackson Dome, which is located near Jackson, Mississippi. Its mature group of properties includes the initial CO2 field, Little Creek, and other fields, including Brookhaven, Cranfield, Eucutta, Lockhart Crossing, Mallalieu and Soso fields. Its LaBarge Field is located in southwestern Wyoming. Its Riley Ridge Federal Unit is located in southwestern Wyoming and produces gas from the same LaBarge Field.