Crawford Lake Conservation Area
is a conservation area
owned and operated by the Conservation Halton
near the community of Campbellville
, Regional Municipality of Halton
. It is a Regionally 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 meromictic
lake that makes this 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 lake was named after the Crawford family, who originally lived there. Their house was still there until a bunch of teenagers burnt it down, all that remained were the cement front porch although photos of the original house and the Crawford family is available. The Crawford family also owned a cedar tree farm on the other side of the lake.
The pollen analysis revealed the agricultural history of the native Iroquois Indians
and the presence of a village. The Wendat
village has been reconstructed in the conservation area
based on many years of work 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... Read More