[27]. See Appendix, Number 15. The Pittsburg Plan.

[28]. Estimate given in the Oil City Derrick for September 10, 1872.

[29]. See Appendix, Number 16. “The Agency.”

[30]. The amount of production was computed from the oil run through the pipe-lines, all of which had their gaugers and were supposed to report their runs at regular intervals.

[31]. See Appendix, Number 17. Contract between Petroleum Producers’ Association and Petroleum Refiners’ Association.

[32]. The agency was pledged by its constitution to limit the supply of crude, but this stipulation did not appear in the contract signed by the two associations. It was a verbal understanding.

[33]. Testimony of H. M. Flagler before the Ohio State Commission for investigating railroad freight discrimination, March, 1879. See Appendix, Number 14.

[34]. See Appendix, Number 3.

[35]. See Appendix, Number 14.

[36]. See Appendix, Number 18. Testimony of George R. Blanchard on rebates granted by the Erie Railroad.