Pipe Creek Sinkhole have also been found there. Pipe Creek Sinkhole preserves an ancient wetland. It was created by the collapse of a limestone cave in a Silurian reef formation. That left a steep-sided depression about long, wide and deep. When water collected in the depression, it became the habitat of the plants and animals whose remains were preserved there when the sinkhole was buried by glacial outwash and till during the Pleistocene Epoch, two million to 11,000 years ago. While the ecology of the Pliocene in North America is well-known from fossil discoveries in other places, notably coastal sites, the Pleistocene glaciers
Divisions on a Ground of several components of Canadian society identity. I Writing II Teaching III The Social Order Frye, Northrop. "Divisions on a Ground: Essays on Canadian Culture" ed. James Polk. Toronto: Anansi Press, 1982. Divisions on a Ground Divisions on a Ground: Essays on Canadian Culture is a collection of essays by Canadian literary critic Northrop Frye, edited by James Polk and published in 1982. The collection includes lectures, addresses and previously published articles by Frye. "Divisions on a Ground" presents Frye's theorizing about Canada with respect to three main themes: Canadian literary writing, university education in Canada and internationally, and a