Born-Digital or AnalogAnalogTranscriptMidwest oil corporation Peoria Field 40 miles east of Denver in Arapahoe co. tests oil in new field. Post S 20, 1970 p.2H Approves merger with subsidiary of Standard Oil Company. Post Ag 20, 1971 p.28 David R. Murphy, president, resigns; replaced by William B. Grisham. RMN S 4, 1971 p.123 Will sue Standard Oil of Indiana. Post S 27, 1971 p.14 Alvin R. Winzeler named president. Post Ja 11, 1972 p.43CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng