Although formerly forested, many of these mountains are now denuded. The three hills surrounding the park are now denuded of most of the vegetation. Within ten years, the insect had denuded the vegetation in the neighborhood. It has also been useful in erosion control on denuded soils. Many trees were snapped, denuded, and stripped of foliage. Several trees were denuded and debarked in this area as well. In the early 1900s, Shavers Mountain was almost completely denuded of trees. The resulting destruction of plant life then leaves the area a stretch of denuded soil. During the 19th century, much of the mountain was denuded by logging, fires, and grazing. Logging to provide additional fuel for mills further denuded the ridges. In the event of heavy outbreaks, entire stands of trees can be completely denuded. Numerous trees were snapped and denuded as well. Despite these Acts, the shipbuilding industry eventually denuded much of Bermuda's landscape by the 1830s. During the English Civil War, the parks were denuded of trees and deer. Vehicles were thrown, and numerous trees were snapped and denuded as well.