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) Imperium's naval and ground forces are kept strictly separate such that a mutinous general will not have access to an integrated military machine. That was not the case with the pre-Horus Heresy Imperial Army, which had no such strict distinction, resulted in Horus acquiring a powerful fleet in addition to his vast ground forces. Many regiments of the Imperial Guard do not adhere to the standard Cadian style of warfare displayed on the tabletop. Although Cadian-style regiments are the most common due to Cadians being the poster boys of the Imperial Guard, some regiments from other worlds specialize in other