An “obstruction’’ is anything artificial, including the artificial surfaces and sides of roads and paths and manufactured ice, except:
a. Objects defining out of bounds, such as walls, fences, stakes and railings;
b. Any part of an immovable artificial object that is out of bounds; and
c. Any construction declared by the Committee to be an integral part of the course.
An obstruction is a movable obstruction if it may be moved without unreasonable...