No wall or fence of any height will be constructed on any Lot except split rail fences of two rails not more than forty-two (42) inches in height which may have located on the inside of the split rail fence a black or green linked wire fence no more than forty-two (42) inches in height and except swimming pools may have legally required fencing around the, approved by Developer in approving the swimming pool plan. Fencing which otherwise permitted on a Lot may not, however, be placed within twenty-five (25) feet of any golf course property adjoining the Lot. The heights or elevations of any wall or fence will be measured from the existing elevations of the property at or along the applicable points or lines. Any question as to such heights may be completely determined by the Developer.