...
| Level | |||
|---|---|---|---|
| Type of first fixed surface | all bits to 1 | 177 | Deep soil (of indefinite depth)missing |
| Scale factor of first fixed surface | all bits to 1 | missing | |
| Scaled value of first fixed surface | all bits to 1 | missing | |
| Type of second fixed surface | all bits to 1 | missing | |
| Scale factor of second fixed surface | all bits to 1 | missing | |
| Scaled value of second fixed surface | all bits to 1 | missing | |