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Crawford Lake Conservation Area is a conservation area owned and operated by Conservation Halton near the community of Campbellville in Milton, Halton, Ontario, Canada.〔(【引用サイトリンク】url=http://www.ontarioplaques.com/Plaques_GHI/Plaque_Halton08.html )〕 It is categorized as a regional environmentally sensitive area, an Ontario Area of Natural and Scientific Interest, and part of the Niagara escarpment ''world biosphere reserve''.〔 The conservation area contains Crawford Lake. A study made in 1971 determined that the lake was meromictic, which makes the lake a prime site for archeological and geochemical studies.〔 Using pollen analysis, reconstruction of the history of the area over several hundred years was possible. The pollen analysis revealed the agricultural history of the native Iroquois Indians and the presence of their village. The Wendat village has been reconstructed in the conservation area and is based on many years of research by archaeologists. Moreover, geochemical analysis of sediment cores has allowed for the reconstruction of the pollution history of the area. This analysis revealed the trends and sources of air pollution over approximately 150 years. The reconstructed fifteenth century Iroquoian village is open seasonally and for special events. The site offers interpretive programs of Iroquoian life and culture. The lake was named after the Crawford family, who originally lived on the site. Their house remained there until it burned down. All that survived was the front porch that was constructed of cement. Photographs of the original house and members of the Crawford family exist. The Crawford family also owned a cedar tree farm on the opposite side of the lake. The conservation area also has of hiking and cross-country skiing and snowshoeing trails with connections to Bruce Trail.〔 ==See also== *Conservation authority *Rattlesnake Point 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「Crawford Lake Conservation Area」の詳細全文を読む スポンサード リンク
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