Born-Digital or AnalogAnalogTranscriptColorado . Taxation. Severance Here's how various oil levies would apply in Colorado. (Severance tax survey) 1953 Ultimatum issued to petroleum industry on oil tax. Jubilant Thornton signs Yields only $176,000 so Colorado's net from oil lets $2.?_ million. oil severance tax. far. Post N 1 '53 p.3A tax tops estimate. 1954 tCollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng