In the open space O-1 zone, the following uses shall be permitted:

1. Agriculture;
2. Botanical or zoological garden;
3. Cemetery;
4. Conservation areas, botanical or zoological;
5. Fishing ponds, private or public;
6. Golf course, except miniature golf courses;
7. Horse raising, provided it is conducted in a pasture of at least five (5) acres in size and with a maximum density of two (2) horses per acre;
8. Private park, playground or recreation area;
9. Public park, public recreation grounds and associate buildings, but not including privately owned commercial amusement business. Public service buildings;
10. Wildlife sanctuaries. 

In the open space O-1 zone, the following uses shall be permitted only when authorized by a conditional use permit as approved in chapter 17.68 of this title:

1. Golf driving range in conjunction with a golf course;
2. Main and accessory buildings and uses customarily incidental to any permitted uses. 

In the open space O-1 zone:

1. Minimum lot area: Five (5) acres.
2. Minimum lot width: Three hundred feet (300').
3. Minimum yard setbacks for structures:
   1. Front: Thirty feet (30').
   2. Side: Twenty feet (20') each side.
   3. Rear: Thirty feet (30').
4. Building height:
   1. Minimum: One story.
   2. Maximum: Two and one-half (2 1/2) stories or thirty five feet (35'). 

In the open space O-1 zone, the height, size and location of the following permitted signs shall be in accordance with the regulations set forth in chapter 17.56 of this title:

1. Development;
2. Directional;
3. Flat;
4. Freestanding;
5. Identification and information;
6. Temporary;
7. Wall.