Limit by calendar year: 2011 All
| vol26_no12_ocr.pdf | 90 |
| vol26_no12_ocr.pdf.txt | 10 |
| 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 | |
| vol26_no12_ocr.pdf | 0 | 2 | 1 | 0 | 0 | 0 | 0 | 0 | 0 | 1 | 22 | 28 | 11 |
| vol26_no12_ocr.pdf.txt | 0 | 0 | 0 | 0 | 1 | 2 | 0 | 1 | 0 | 2 | 0 | 1 | 3 |
| The Ore bin ; Vol. 26 No. 12 (December 1964) | 127 |
| United States of America | 53 |
| France | 41 |
| China | 13 |
| Switzerland | 5 |
| Japan | 4 |
| United Kingdom | 2 |
| Argentina | 1 |
| Australia | 1 |
| Bulgaria | 1 |
| Germany | 1 |
| 43 | |
| Corvallis | 8 |
| Beijing | 6 |
| Saint Gallen | 5 |
| Seattle | 5 |
| Santa Barbara | 4 |
| Portland | 3 |
| Sandpoint | 3 |
| Washington | 3 |
| Houston | 2 |