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98 in January, 1913, when two hundred and forty-seven thousand barrels left the wharf at Tampico. By October, 1916, the shipments had reached eight hundred and ten thousand barrels. Now they are above a million and a half barrels a month.

This American concern has nearly half the pipe-line mileage in the country. It has three eight-inch pipe lines from Tampico to the Casiano well, sixty-five miles distant. Thence two eight-inch lines to Cerro Azul, twenty-two miles, and an eighteen-mile line to Tres Hermanos, a total of two hundred and sixty-four miles. The oil is kept moving by seven pumping stations operated by gas from a line to the Casiano well, but the stations are equipped with oil-burning apparatus, now to be put in commission as already noted above. The oil gushes at such a temperature that it flows without reheating.

There are one hundred and nineteen miles of four-and six-inch water mains, and the company is opening other water supplies.

Over these lines, well buried in the earth, runs