stone wall covered in moss next to burbling stream in woods

archaeological northeastern disappearing archaeology electricity historical structures woodlands watershed september resources overgrown undefined catskill mountain parkland forested conifers forestry building historic industry exterior cultural rounded erosion fluvial geology remains shallow history natural flowing cleared regrown ancient archaic culture forest summer tumble jumble united states energy rocky ruins mossy humid birch aspen creek river water level gauge power outer park late mill lost 1600 1700 1800 1900 york grid folk air