SCHEDULE I.-OIL PIPELINE COMPANIES: RATES OF RETURN ON VALUATION, YEARS 1970 THROUGH 1973—FROM
SUPPORTING SCHEDULES II THROUGH V-Continued

SCHEDULE I.-OIL PIPELINE COMPANIES: RATES OF RETURN ON VALUATION, YEARS 1970 THROUGH 1973—FROM
SUPPORTING SCHEDULES II THROUGH V-Continued

Name of company

89. Wyco Pipe Line Co.

90. Yellowstone Pipe Line Co..

Average, all companies........................

1 Merged with Arco Pipe Line Co. in 1971.

2 Name changed from Humble Pipe Line Co.

3 Major portion of carrier's properties sold to Okie Pipe Line Co. in 1973. Net income reflects income from properties
not included in valuation rate base determined by the Commission as of Dec. 31, 1973.

4 Merged with Sun Pipe Line Co. in 1972.

$ Carrier is controlled by Trans Mountain Pipe Line Co., a Canadian corporation, through ownership of all the outstanding
capital stock.

• Merged with Marathon Pipe Line Co. as of close of business Dec. 31, 1972.

Note: 1974 valuation reports were not available to calculate a rate of return.

SCHEDULE IV.-OIL PIPELINE COMPANIES: RATE OF RETURN ON VALUATION YEAR, 1972

SCHEDULE IV.-OIL PIPELINE COMPANIES: RATE OF RETURN ON VALUATION YEAR, 1972

1 Value of property used in common carrier service as determined by the Interstate Commerce Commission.
2 Net income from common carrier operations.

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