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 Regalia Imperial Regalia The Imperial Regalia, also Imperial Insignia (in German "Reichskleinodien", "Reichsinsignien" or "Reichsschatz"), are regalia of the Holy Roman Emperor. The most important parts are the Imperial Crown, the Holy Lance and the Imperial Sword. Today they are kept at the Imperial Treasury in the Hofburg palace in Vienna, Austria. The Imperial Regalia are the only completely preserved regalia from the Middle Ages. During the late Middle Ages, the word Imperial Regalia (Reichskleinodien) had many variations in the Latin language. The regalia were named in Latin: "insignia imperialia, regalia insignia, insignia imperalis capellae quae regalia dicuntur" and other similar