In 1915, a tropical storm dropped nearly 11 inches of rain on St. Louis in just 17 hours, causing a devastating flood. Claiming 11 lives and the homes of 1,025 families, the flood focused public and government attention onto the problems of the river.
Pipe

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Image Credit: Courtesy Wikipedia/MillbrookyImage Caption: Today, the River Des Peres Sewage & Drainage Works provides the backbone for the 110-square-mile St. Louis drainage basin.Era_date_from: 1924
1988

The drilling of this oil well marks the modern phase of the petroleum industry. A series of revolutionary technological changes, unforeseen even by the most prophetic, followed. Drake demonstrated practical oil recovery by applying salt-well drilling techniques, including the use of the derrick, and invented the modern method of driving iron pipe.
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Image Credit: Courtesy Wikipedia/Zamoose (CC BY-SA 2.5)Image Caption: Drake Oil WellEra_date_from: 1859
2013