Petroleum. No. 13498, North American Oil & Refining Corporation v. director general, as agent, Kansas City, Mexico & Orient Railroad Company, et al.; [no. 13498 (sub-no. 1), same v. Kansas City, Mexico & Orient Railroad Company et al.; no. 13498 (sub-no. 2), same v. same]; decided Dec. 28, 1923; report of commission.