Limit by calendar year: 2011 All
| TG_combined.pdf | 187 |
| 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 | |
| TG_combined.pdf | 7 | 5 | 12 | 2 | 1 | 1 | 2 | 1 | 7 | 5 | 27 | 32 | 11 |
| Investigation of polycyclic aromatic hydrocarbons (PAHs) transport by suspended particulate matter (SPM) in the lower Columbia River and its estuary | 168 |
| United States of America | 96 |
| China | 32 |
| Canada | 7 |
| Korea | 7 |
| Japan | 6 |
| France | 3 |
| Germany | 2 |
| Iraq | 2 |
| Czech Republic | 1 |
| India | 1 |
| Washington | 31 |
| Beijing | 21 |
| Seattle | 14 |
| Corvallis | 8 |
| Mountain View | 7 |
| Seoul | 7 |
| Montreal | 3 |
| Portland | 3 |
| Los Angeles | 2 |
| Omaha | 2 |