sentences:  Other rocks include sandstone, mudstone, and siltstone.It was during the middle Miocene period that the range was uplifted in the broad, northeast-plunging arch.Portions of the range are in the Siuslaw National Forest and Tillamook State Forest, and large sections of the range were burned in forest fires during the 1930s and 1940s as part of the Tillamook Burn.