WASHINGTON, June 27 -- The U.S. Department of the Interior's Bureau of Reclamation issued the following news release: Boulder City, Nev. - Due to the escalating threat of wildfires caused by high temperatures, low humidity, and dry vegetation, the Bureau of Reclamation is taking decisive action. Effective immediately, fire restrictions will be enforced on lands managed or maintained by Reclamation in Mohave, Coconino, Yavapai, Maricopa, Gila, Pinal, Pima, Cochise, Graham, La Paz, and Yuma Count  more