^ 1939, D. A. Paton, On the origin of aller, in Studies in French Language and Mediaeval Literature, page 301: The opinion that ambulare is the origin of aller has been and is held by so many eminent etymologists that it is with some diffidence I venture to suggest another source.
Thermal, California. For the former community in Fresno County, see Thermal, Fresno County, California. Thermal is an unincorporated community within the Coachella Valley in Riverside County, California located approximately 25 miles (40 km) southeast of Palm Springs and about 9.5 miles (15.3 km) north of the Salton Sea. The community's elevation is 138 feet (42 m) below mean sea level.
Imperial County is a county located in the U.S. state of California. As of the 2010 census, the population was 174,528. The county seat is El Centro. Established in 1907, it was the last county to be formed in California. Imperial County comprises the El Centro, CA Metropolitan Statistical Area. It is also part of the Southern California border region, the smallest but most economically diverse region in the state. It is located in the Imperial Valley, in the far southeast of California, bordering both Arizona and Mexico.