sentences:  The Denver Mountain Park properties encompass a variety of habitats, including prairie, mountain meadow, riparian forests, montane (ponderosa pine, Douglas-fir) and subalpine (Engelmann spruce) forests, and alpine tundra.Bison herds were established in wildlife preserves at Genesee Park in 1914 and later in Daniels Park as part of an effort to recover this species extirpated from Colorado.Beginning in about 1909-10, the idea of a mountain park in the foothills west of Denver was promoted by John Brisben Walker and Denver's Mayor Robert W. Speer.