Louisiana State University are able to endow live oaks across the university's campus. Fifty-seven resources on the LSU campus were listed in the Louisiana State University, Baton Rouge historic district on the National Register of Historic Places on September 15, 1988. Forty-six of the enlisted resources were considered contributing buildings and structures. The campus is protected by the State Capital Historic District Legislation. The LSU Campus Mounds, which are part of a larger mound group spread throughout the state, are located near the northwestern corner of the campus and were built an estimated 5,000 years ago. They were individually enlisted in the National
Louisiana State Guard a crisis. Key Louisiana state employees are also members of the force so they can be mobilized more effectively in order to deal with emergencies. All units of the Louisiana State Guard were deployed in support of the Louisiana National Guard in 2005 in the aftermath of Hurricane Katrina. State defense forces are authorized by the federal government under Title 32, Section 109 of the United States Code. Currently, 23 states and the territory of Puerto Rico maintain active state defense forces. In 2005, state defense forces from several states were activated to aid the National Guard in sheltering the