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.