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 Household Artist Imperial Household Artist An was an artist who was officially appointed by the Imperial Household Ministry to create works of art for the Tokyo Imperial Palace and other imperial residences. The system came into being during the Meiji period in 1890 and was discontinued after the end of World War II. Most pieces of work cannot be seen in public except in the Museum of the Imperial Collections, as well as occasional pieces in the Tokyo National Museum. The system was abolished after World War II. Important artists are still designated and protected by the government however under the system