Complex sentence: The growth of shopping malls in nearby Kingston put many local stores out of business, and the last cement plant in Rosendale closed in 1971; abandoned cement mines were eventually used by edible mushrooms growers who produced their crops "on beds of horse manure".
Split into simpler sentences: The growth of shopping malls in nearby Kingston put many local stores out of business. The last cement plant in Rosendale closed in 1971, abandoned cement mines were eventually used by edible mushrooms growers who produced their crops "on beds of horse manure".