Aspen Center for Environmental Studies welcomed 10 piglets to the farm family at Rock Bottom Ranch two weeks ago. Now, visitors are invited to come watch them root in the pasture and play in the mud at the Basalt site. “The pigs are an exciting reintroduction to the ranch after something like eight years,” shared John Middleton, director of Rock Bottom Ranch. “There’s market demand. People want local and pasture-raised pork. Also, they’re just…