Limit by calendar year: 2011 All
| Physical_4_ocr.pdf | 103 |
| May 2011 | June 2011 | July 2011 | August 2011 | September 2011 | October 2011 | November 2011 | December 2011 | January 2012 | February 2012 | March 2012 | April 2012 | May 2012 | |
| Physical_4_ocr.pdf | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 3 | 21 | 28 | 18 |
| Physical and chemical oceanographic data : Umpqua River Estuary, Oregon ; Part IV, April 26-27, 1961 | 56 |
| United States of America | 30 |
| China | 14 |
| Japan | 4 |
| Australia | 3 |
| Canada | 1 |
| United Kingdom | 1 |
| Corvallis | 9 |
| Beijing | 5 |
| Raleigh | 4 |
| Brisbane | 3 |
| Seattle | 3 |
| Shenzhen | 3 |
| Washington | 3 |
| Dallas | 2 |
| Beaverton | 1 |
| Boston | 1 |