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〕 | elevation_imperial = 1197 | elevation_round = 0 | elevation_note =〔 | area_unit = acre | area_imperial = 1164 | 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 = 1967 | 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 Ryerson Station State Park in Pennsylvania | map_locator = Pennsylvania | map_first = | website = (Ryerson Station State Park ) }} Ryerson Station State Park is a Pennsylvania state park in Richhill Township, Greene County, Pennsylvania in the United States. It was previously home to Ronald J. Duke Lake, a artificial lake on the North Fork of the Dunkard Fork of Wheeling Creek, that was constructed in 1960, but drained in 2005 due to structural concerns about the dam. Ryerson Station State Park is from Wind Ridge just off Pennsylvania Route 21 very close to the West Virginia state line. ==History== The park is named for Fort Ryerson. This fort was constructed by the Commonwealth of Virginia in 1792 as a refuge from the raids of the local Native Americans who were resisting the settlement of the Ohio River Valley by the United States. Ownership of the land in this part of Pennsylvania was disputed among several parties including Virginia, Pennsylvania and the Native Americans.〔(【引用サイトリンク】 Ryerson Station State Park )〕 The state acquired the land in 1958. Duke Lake was completed with the construction of a dam in 1960 and finally the park was opened in 1967.〔 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「Ryerson Station State Park」の詳細全文を読む スポンサード リンク
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