No building or premises shall be used and no building shall hereafter be erected, converted in use, enlarged, moved or structurally altered unless otherwise provided in this title, except for one or more of the following uses:
A. Unconditionally Permitted Uses:
Facilities and structures for drainage, flood control, hydroelectric power, power transmission, ponding, conservation, erosion control, reclamation, fire prevention.
Harvesting of wild crops such as marsh hay, ferns, moss, berries.
Management of forestry, wildlife and fish.
Parks and open recreational areas.
Uses accessory or customarily incidental to any of the above facilities.
B. Conditionally Permitted Uses: The following uses when the location thereof shall have been approved in writing by the board of appeals following a public hearing. Such approval shall be consistent with the general purpose and intent of this title, and shall be based upon such evidence as may be presented at such public hearing that proposed uses will be established and maintained under conditions consistent with preserving the public health and safety and preventing water or air contamination or pollution:
Boat harbors, marinas.
Crop and tree farming.
Fuel transmission lines and related facilities.
Golf courses.
Gravel pits, stone quarries and washing and grading of products. (1975 Code Ch. 19 § V)