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Current Labels
Wall:—
Elevation:—
Surface:—
Structure:—
GSI:—
GSI Reference
Surface mapping
| 5 – Very Good |
| 4 – Good |
| 3 – Fair |
| 2 – Poor |
| 1 – Very Poor |
Structure mapping
| 5 – Intact |
| 4 – Blocky |
| 3 – Very Blocky |
| 2 – Blocky/Disturbed/Seamy |
| 1 – Disintegrated |
GSI chart
