A. He or she intentionally uses or threatens to use force to obstruct a person he or she knows or should reasonably know is a park ranger and while such park ranger is performing his or her official duties; or

B. He or she willfully hinders, delays or obstructs any park ranger in the discharge of his or her official powers or duties. (Ord. 3360-13 § 4, 2013; Ord. 1615-89 §§ 2, 4, 1989.)