western Poconos would have a dominant vegetation type of Northern Hardwood (106) with a dominant vegetation form of Northern hardwood forest (26). The peak spring bloom typically occurs in early-May and peak fall color usually occurs in early-October. The plant hardiness zone is 5b with an average annual extreme minimum air temperature of . Ridge and Valley Region According to the A. W. Kuchler U.S. potential natural vegetation types, the Ridge and Valley region of the southern Poconos would have a dominant vegetation type of Appalachian Oak (104) with a dominant vegetation form of Eastern Hardwood Forest (25). The peak spring bloom typically occurs in late-April and peak fall color usually occurs in mid-October. The plant hardiness zone is 6a with an average annual extreme minimum air temperature of . Sullivan March During the Revolutionary War in 1779, General John Sullivan marched his troops through the Pocono Mountains (Monroe and Luzerne counties) on their expedition to fight the Iroquois tribe in New York State. Sergeant Moses Fellows of the Third New Hampshire Regiment described the area as "...very poor & Barren and I think as never will Be Settled.” Recreation The Poconos are a well-known outdoor recreation destination for visitors around the northeast, especially from New York City and Philadelphia. The region encompasses the Delaware State Forest, including six designated natural areas, seven state parks, and seventeen state game lands. The Delaware Water Gap National Recreation Area is on the eastern edge of the Poconos and includes of wilderness. Resorts Two of the earliest Pocono resorts were founded by rival factions of the Philadelphia Quaker community, Inn at Buck Hill Falls (1901) and Pocono Manor (1902). These resorts did not allow liquor or dancing, and evening dress was discouraged. The Quakers "brought a quiet, unostentatious style to the region," but their hotels later developed from religious retreats into "luxurious mountain resorts." Buck Hill's stone facade became a model for close to 300 stately stone-and-shingle homes in the region. Pocono Manor offered sweeping vistas of the eastern and western Pocono region and had been referred to as the "Grand Lady of the Mountains." Buck Hill closed in 1990 and the Inn at Pocono Manor was mostly destroyed by fire in 2019. Skytop Lodge, built in 1928, is described as a "Dutch Colonial-style manor house." Designed in reaction to the Quaker resorts, it had a dance floor and served liquor in a