CEDAR RAPIDS — The Herbert Hoover National Historic Site is looking forward to getting a sliver of the $9 billion Great American Outdoors Act signed into law by President Donald Trump on Tuesday.Although the actual amount is not yet known, Superintendent Pete Swisher is “clearly anticipating” funding for work on a number of buildings at the National Park Service’s West Branch site where the nation’s 31st president was born.The Hoover birthplace has identified $3 million in deferred maintenance needs that it hopes to address with the funds that are part of the Great American Outdoors Act.