Steamtown National Historic Site will take one of its two mainline steam locomotives out of service later this year for a federally mandated inspection and overhaul, leaving the park with a single operating steam engine until at least midway through the 2010 season. With the sidelining of Canadian Pacific 2317, the site will make a hard push to complete the lengthy restoration of the Boston & Maine 3713 locomotive and to get its Baldwin 26 locomotive back into service, said Harold H. "Kip" Hagen Jr., Steamtown superintendent. "We are starting to see daylight when we are going to have a...