Original sentence: Because the park follows the course of the North Hill Coulee, there is a riparian habitat, which supports an assortment of plants such as Douglas fir, dogwood and willows, despite the urbanized surrounding area.In the mid-1960s, efforts to conserve the North Hill Coulee, a brook which remained undeveloped because of uneven terrain, were organized in the form of the Centennial Ravine Park Society
Edited sentence: Because the park follows the course of the North Hill Coulee, there is a rich riparian habitat, which supports a great assortment of plants such as Douglas fir, dogwood and willows, despite the urbanized surrounding area.In the mid-1960s, efforts to conserve the North Hill Coulee, a brook which remained undeveloped because of uneven terrain, was organized in the form of the Centennial Ravine Park Society