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 Guard (Warhammer 40,000) had a name change to the Astra Militarum in line with Games Workshop's shift away from generic naming of their intellectual property. The Imperial Guard (previously the Imperial Army, now the Astra Militarum) is a fictional colossal military organisation, consisting of many hundreds of thousands of armies throughout the Imperium, and forming the vast bulk of the Imperium's military machine. Unlike the Space Marines, who are an elite unit that rely upon precision strikes against the enemy's critical assets to carry the day, the Imperial Guard has the reputation of relying on massed assaults made up of endless waves of