Complex sentence: As the years passed and the tree flourished, growing to a height of over 60 feet (18 m), it was a favorite attraction of the miners who would sample its fruit and save seeds to plant in the dooryards of their cabins.
Split into simpler sentences: As the years passed and the tree flourished, growing to a height of over 60 feet (18 m), it was a favorite attraction of miners. They would sample its fruit and save seeds to plant in the dooryards of their cabins.