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Collection's Items (Sorted by Submit Date in Descending order): 1 to 1 of 1
| Issue Date | Title | Author(s) |
|---|---|---|
| 1989-02 | Rock quality designation (RQD) after twenty years | Rocky Mountain Consultants.; Deere, Don U.; Deere, Don W. |
Collection's Items (Sorted by Submit Date in Descending order): 1 to 1 of 1