Unit 1 operated by subject 1 was traveling at 38 mph and was headed east on 6 and 20 creek. Unit 2 operated by subject 2 was traveling less than 5 mph and was headed west on 6 and 20 creek. Unit 1 failed to keep a safe lookout and he didn't see unit 2 until a second before impact. He turned sharp right to avoid a collision but struck unit 2 head on. Unit 1 motor's lower unit spun around and struck unit 2 on the starbaord side. subject 2 was under the influence of alcohol and failed to make any evasive actions to avoid the collision.