Havasu National Wildlife Refuge operate and maintain the refuge facilities and programs by providing volunteer labor. Havasu National Wildlife Refuge Havasu National Wildlife Refuge is a U.S. National Wildlife Refuge on the lower Colorado River in Arizona and California. It preserves habitat for desert bighorn sheep to the endangered southwestern willow flycatcher, birds and other animals. The refuge protects 30 river miles - of shoreline - from Needles, California, to Lake Havasu City, Arizona. One of the last remaining natural stretches of the lower Colorado River flows through the Topock Gorge. Animal species that inhabit this refuge include peregrine falcon, coyote, fox, desert bighorn
London Bridge (Lake Havasu City) of London. The original stonework was used to clad a new concrete structure. The reconstruction took slightly over three years and was completed in late 1971. The bridge was not reconstructed over a river, but rather it was rebuilt on land in a position between the main part of the city and Pittsburgh Point, at that time a peninsula jutting into Lake Havasu. Once completed, the Bridgewater Channel Canal was dredged under the bridge and flooded, separating Pittsburgh Point from the city, creating an island. As a result, the bridge now traverses a navigable shortcut between the Thompson Bay part