(328 P.2d 105) GRADEN COAL COMPANY, ET AL. v. CRIST YTUARRALDE, ET AL. No. 18,526.Supreme Court of Colorado. Decided July 7, 1958. From a judgment affirming a supplemental award in favor of claimant for permanent partial disability, the employer and insurance carrier bring error. Affirmed. 1. WORKMEN’S COMPENSATION — Award — Petition to Reopen — […]