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〕 | elevation_imperial = 315 | elevation_round = 0 | elevation_note = 〔 | area_unit = acre | area_imperial = 2606 | area_round = 0 | area_note = 〔 | area1_imperial = | area1_type = | length_imperial = | length_orientation = | width_imperial = | width_orientation = | highest = | highest location = | highest_lat_d = | highest_lat_m = | highest_lat_s = | highest_lat_NS = | highest_long_d = | highest_long_m = | highest_long_s = | highest_long_EW = | highest_elevation_imperial = | lowest = | lowest_location = | lowest_lat_d = | lowest_lat_m = | lowest_lat_s = | lowest_lat_NS = | lowest_long_d = | lowest_long_m = | lowest_long_s = | lowest_long_EW = | lowest_elevation_imperial = | biome = | biome_share = | biome1 = | biome1_share = | geology = | geology1 = | plant = | plant1 = | animal = | animal1 = | established_type = | established = August 1972 | management_body = Pennsylvania Department of Conservation and Natural Resources | management_location = | management_lat_d = | management_lat_m = | management_lat_s = | management_lat_NS = | management_long_d = | management_long_m = | management_long_s = | management_long_EW = | management_elevation = | visitation = | visitation_year = | free_type = | free = | free1_type = | free1 = | map = Pennsylvania Locator Map.PNG | map_caption = Location of Ridley Creek State Park in Pennsylvania | map_locator = Pennsylvania | map_first = | website = (Ridley Creek State Park ) }} Ridley Creek State Park is a Pennsylvania state park in Edgmont, Middletown and Upper Providence Townships, Delaware County, Pennsylvania in the United States. The park, about north of the county seat of Media, offers many recreational activities, such as hiking, biking, fishing, and picnicking. Ridley Creek passes through the park. Highlights include a paved multi-use trail, a formal garden designed by the Olmsted Brothers, and Colonial Pennsylvania Plantation, which recreates daily life on a pre-Revolutionary farm. The park is adjacent to the John J. Tyler Arboretum. Ridley Creek State Park is just over from downtown, Philadelphia between Pennsylvania Route 352 and Pennsylvania Route 252 on Gradyville Road. ==History== The bulk of the property was acquired in the late 1960s from the estate of well known horse breeder Walter M. Jeffords, Sr. and his wife Sarah, a niece of Samuel D. Riddle. The Jeffords had acquired the land starting about 1912 in small parcels, until they had over , which was the largest private undeveloped property in the Philadelphia area by the 1960s. By 1918 they had built a large mansion, now the park office, around a stone colonial farmhouse. Twenty-four other historic properties were located on the grounds, many farmsteads that had retained family ownership since the seventeenth century. In 1976 these properties were registered on the National Register of Historic Places as a national historic district. The area was originally settled by English Quakers and remained agrarian into the twentieth century. The oldest property is the 1683 Worrel House. In 1718 a water mill, then known as Providence Mill, began to grind corn. In the late 18th century a plaster mill was established next to the grist mill. A rolling and slitting mill replaced the plaster mill by 1812, and became known as Bishop's Mills. Workers cottages, a dam, and several outbuildings complete the mill complex, now known as Sycamore Mills. The mills operated until 1901, when they were damaged by fire.〔(【引用サイトリンク】 National Historic Landmarks & National Register of Historic Places in Pennsylvania ) ''Note:'' This includes 〕 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Ridley Creek State Park」の詳細全文を読む スポンサード リンク
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