| Value |
Category |
| -999 |
|
| -888 |
|
| 1 |
Stream |
| 2 |
River |
| 3 |
Pond |
| 4 |
Lake |
| 5 |
Swamp |
| 6 |
Spring |
| 7 |
Marsh |
| 8 |
Other |
| 9 |
None |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.