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 Count By being seated and allowed to cast a shared vote on a Count's bench an imperial count obtained, the "seat and vote" within the Imperial Diet which, combined with Imperial immediacy, made of his chief land holding an Imperial estate ("Reichsstand") and conferred upon him and his family the status of "Landeshoheit", i.e. the semi-sovereignty which distinguished Germany and Austria's high nobility (the "Hochadel") from the lower nobility ("Niederadel"), who had no representation in the Diet and usually answered to an over-lord. Thus the "reichsständische" imperial counts pegged their interests and status to those of the imperial princes. In 1521