shooting may be "one way" or "two way":

 one way shooting: a single shooting line and a single set of flags are set up at opposite ends of the range. the job he gets is a steamroller driver. it is in a u shape, with two wings extending to the rear at either end of the street-facing central section. between 1856 and 1862 another  were added. the platforms are listed by line number. she was appointed as the bureau's consulting expert on a dollar a year basis. it is still on the manual telephone system. 