| PROJ_NAME | Text | Project name |
| HDAT | Text | Height Data |
| PHTKN | Text | Has a photo been taken (yes|no) |
| GPSTKN | Text | Has a GPS reading been taken (yes|no) |
| REACH_ID | Number | Reach ID (a number) |
| SEGMENT_ID | Text | Segment ID |
| RCHPTID | Text | Reach Point ID |
| Ph2SegID | Text | Primary key used to identify the record |
| CONTROL | Text | Type of control |
| LOCATION | Text | Location of control |
| TOTALH | Number | Total height of control |
| HABWAT | Number | Height of control above water |
