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
Manchukuo Imperial Army the following units: Sources differ on how many troops the Imperial Army fielded in 1945, ranging from 170,000 to 220,000. Its organization on the eve of the Manchurian Strategic Offensive Operation was as follows: When Puyi first became the head of state of Manchukuo in 1932 with the title of "Chief Executive", several units were formed to defend him and the capital of Hsinking. Those included the Manchukuo Imperial Guards, charged with his personal protection as well as to serve as an honor guard on ceremonial occasions. The other was the Independent Cavalry Corps, formally the 4th Cavalry Brigade, which