The representatives introduced the African-American Burial Grounds Network Act, which would create a national database of African American cemeteries. Fly, a landscape architect, was asked to serve as an adviser on the legislation, which is pending in Congress. “If we allow them to be erased or desecrated, we lose that part of our history,” Fly said. Roseann Bacha Garza, an anthropologist at the University of Texas Rio Grande Valley, said finding out about one’s family history is more popular than ever. AdSome who already know their roots also would welcome being included in a national database of African American cemeteries.