Download or read book Little Sink Research Natural Area written by Reid Schuller and published by . This book was released on 2007 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt: This guidebook describes the Little Sink Research Natural Area, a 32.38-ha (80-ac) tract occupying an area of geologically unstable marine siltstone exhibiting natural geomorphic disturbances including landslides, slump benches, scarps, basins and ponds. The area supports forested stands dominated by Douglas-fir (Pseudotsuga menziesii) as well as stands codominated by Douglas-fir and bigleaf maple (Acer macrophyllum) representative of coniferous forest along the foothills of the Willamette Valley.