Discuss whether the court should held to constitute or not constitute a regulatory taking for each of the following situations:

-The City of Diamonds enacted an ordinance providing for the dimensions of freestanding signs within the city limits at minimum 2 feet in height by 2 feet wide and maximum 4 feet in height by 4 feet wide, requiring a business owner to replace her business sign;

-The City of Lakes enacted an ordinance prohibiting all types of billboards along city streets within any residential area within city limits;

-The Big Rock Development Corporation applied for and it was denied the permit to mine precious stones that lay beneath a track of wetlands it owns in the State of Michigan.

-Brown owns 10 acres of vacant land within the City of Joy city limits. Brown purchased the land two years ago with the plan to divide the land into 2 parcels of 5 acres each and build a home on each lot. Recently, the City of Joy amended its zoning codes restricting the minimum buildable lots to 6 acres.