An Update of Information Circular 8719 : Survey of Planned Or Proposed Coal Mines :electric Generating, Coal Conversion, and Waste-to-fuel Plants : Oil Shale and Tar Sands Projects : Geothermal Facilities : Uranium Mines, Mills, and Enrichment Facilities : Natural Gas Processing and Storage Facilities : Oil Refineries and Terminal Facilities : Railroads and Coal Slurry, Petroleum, and Natural Gas Pipelines, in States West of the Mississippi River (as of August 1977)