 In addition to protecting the San Pedro River's rare ecosystem for future generations, the BLM also works to stabilize and preserve several historic buildings and structures located throughout much of the San Pedro Riparian NCA, including those of the Fairbank Historic Townsite, the Little Boquillas Ranch and the San Pedro House.The San Pedro House is located along the river to the east of Sierra Vista and is a fully restored historic ranch house dating to the 1930s.It is now used as a visitor center and bookstore for the San Pedro Riparian NCA.