Keywords: Denver Basin Cross Section.png en East-West cross-section through the Denver Basin 2011 http //pubs usgs gov/of/2011/1175/pdf/OF11-1175 pdf Philip H Nelson and Stephen L Santus US Geological Survey Gas Oil and Water Production from Wattenberg Field in the Denver Basin Colorado USGS Open-File Report 2011-1175 PD-USGov Petroleum-related charts and graphs graph |