Born-Digital or AnalogAnalogTranscriptPetroleum. Colorado Drillers seek oil at Trinidad; First well in Los Animas County. RMN Sept. 20, 1938 p.11 Wilson Creek, Colorado HIGHEST oil producing oil field in the U.S.ROCKY MOUNTAIN . Petroleum REVIEW 1946-1947 p.lo4 Petroluem at the top of the world, Philtown. Oil Recorder v.3 #9 June 1946 p.30 lst oil wells in Colorado. Oil Reporter Aug. 27, 1946 p.18 v.3 #14CollectionWestern History Subject IndexRelated MaterialWestern History Subject Index AbbreviationsType of MaterialIndex CardLanguageeng
