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 Sovereign Imperial Sovereign The question of an Imperial Sovereign or emperor was a central issue in Germany's attempts at unification between 1848 and 1850. Both the draft constitutional act with its provision for centralised power as well as the constitutional plans at that time, laid down how a German head of state would be selected for office and what rights they were to have. In the Frankfurt Constitution of 28 March 1849, it was envisaged that an emperor would be the 'imperial sovereign'. Although the National Assembly voted for the first incumbent of this office, thereafter it was assumed that the