Imperial Reservoir Imperial Reservoir The Imperial Reservoir is an artificial lake formed by the construction of the Imperial Diversion Dam across the Colorado River in the Lower Colorado River Valley of Imperial County, California, and Yuma County, Arizona. A component of the Imperial National Wildlife Refuge, the reservoir is northeast of Yuma, Arizona. Dry washes are the major watershed feed systems to Imperial Reservoir. The next upstream major watershed feeder is the Bill Williams River from western Arizona. Upstream on the Colorado River, the basic feeder watershed to Imperial Reservoir is the Havasu-Mojave Lakes Watershed, of Lake Havasu. Two dry wash watershed
Imperial Twilight system of bureaucracy that dominated the Qing dynasty during the lead-up to the Opium Wars. Platt concluded in "Imperial Twilight" that the Chinese, though knowledgeable and well-organized, were incapable of understanding the threat that Westernized British Empire's economic system and military posed to Imperial China; he also dedicated later chapters of the book to examining how the defeat of the Qing dynasty's forces in the First Opium War set the empire on the path to dissolution at the start of the 20th century. Several reviews of "Imperial Twilight" noted that the book's release in early 2018 was relevant given the