ocated on and using a reclaimed quarry as a heating and cooling source, the Grand Valley Audubon Society Nature Center will be both an educational center and exemplary project of resource efficiency. Two important goals for the center are to be energy independent and use local materials.
ocated on and using a reclaimed quarry as a heating and cooling source, the Grand Valley Audubon Society Nature Center will be both an educational center and exemplary project of resource efficiency. Two important goals for the center are to be energy independent and use local materials.
