4.____ Keith owns Water Hills Ranch in Arizona. The ranch extends from the northern-most property line, which comes right up to State Road 96 near the city of Yava, south for approximately eighteen miles. Keith's property can only be accessed via State Road 96, as no other roads run through or near the property. On the northern edge of the property, Keith has grazing lands where he keeps cattle and horses. However, the southern end of his property is very dry, and Keith derives no use from it. He wants to sell the southern-most twenty-five square miles.

• a. Dan, a potential buyer, has concerns. He wants to raise his own horses, but there is no source of fresh water or grass for the cattle to graze upon. Dan wants the right to run his horses onto Keith's property to feed them. What type of property right is Dan requesting? (3 points)
• b. Dan is also concerned about getting to and from his property. He wants the right to drive his truck through Keith's property to reach State Road 96. What type of property right is Dan requesting (3 points)
• c. Dan and Keith are both concerned that either of them may sell their property to a developer who may seek to build a larger development on the neighboring property. What agreement can they reach to restrict their neighbor's ability to sell and develop the land? (4 points)