 Large areas of forest were harvested by colliers to fire iron furnaces.Rifle stocks and shingles were made from Pennsylvania timber, as were a wide variety of household utensils, and the first Conestoga wagons.By the early 19th century the demand for lumber reached the Pine Creek Gorge, where the surrounding mountainsides were covered with eastern white pine in diameter and or more tall, eastern hemlock in circumference, and huge hardwoods.