SHANKSVILLE, Pa. (AP) — The National Park Service has released architectural drawings of the first phase of the Flight 93 memorial in Pennsylvania.One drawing depicts two white marble walls framing a ceremonial gateway. The other shows a separate memorial gateway, an open-air, concrete structure.Forty passengers and crew died on Sept. 11, 2001, when the plane crashed into a field near Shanksville, Pa., about 65 miles southeast of Pittsburgh.The Families of Flight 93 say about $50 million in public and private money has been raised for the project. The dedication of the first phase is scheduled for Sept. 10.Flight 93 was traveling from Newark, N.J., to San Francisco. The 9/11 Commission found that the hijackers likely wanted to crash into the White House or Capitol building but downed the jet in Pennsylvania as passengers fought back.