National Assessment of Oil and Gas Project - Eastern Oregon-Washington Province (005) Quarter-Mile Cells

Cell maps for each oil and gas assessment unit were created by the USGS to illustrate the degree of exploration, type of production, and distribution of production in...美国地质调查局（United States Geological Survey, USGS）为每个油气评价单元（oil and gas assessment unit）编制了栅格地图，用以展示其勘探程度、生产类型及产能分布……