| Title | Surface Morphology of Columnar Joints and its Significance to Mechanics and Direction of Joint Growth |
| Publication Type | Journal Article |
| Year of Publication | 1987 |
| Authors | DeGraff, James M., and Atilla Aydin |
| Secondary Title | Geological Society of America Bulletin |
| Volume | 99 |
| Pagination | 605-617 |
| Accession Number | S-2832 |
| Keywords | basalt, Columnar joints, Lava, Magma, Volcanic rocks |
| Notes | Western United States |
| Series Title | Geological Society of America Bulletin |
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