Limit by calendar year: 2011 All
| DR_no_2_OCR.pdf | 103 |
| DR_no_2_OCR.pdf.txt | 1 |
| 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 | |
| DR_no_2_OCR.pdf | 0 | 0 | 2 | 3 | 4 | 0 | 0 | 0 | 0 | 1 | 23 | 29 | 17 |
| DR_no_2_OCR.pdf.txt | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 0 | 1 |
| Hydrography of Oregon estuaries : prior to June 1956 | 64 |
| United States of America | 27 |
| China | 15 |
| France | 8 |
| Japan | 2 |
| Colombia | 1 |
| Czech Republic | 1 |
| Mexico | 1 |
| Puerto Rico | 1 |
| Corvallis | 13 |
| 8 | |
| Beijing | 8 |
| Redwood City | 4 |
| Shenzhen | 3 |
| Needham Heights | 2 |
| Seattle | 2 |
| Washington | 2 |
| Absecon | 1 |
| Chetumal | 1 |