| Well Name | G-991 |
| Description | USGS Well G - 991 |
| Latitude [NAD83] | 254759.354 |
| Longitude [NAD83] | 801637.181 |
| FL State Plane East [NAD83] | 894042.758 |
| FL State Plane North [NAD83] | 533588.414 |
| County | Miami-Dade |
| Land Surface Elev. [NGVD29] | 6.57 |
| Elevation Source | SURVEY |
| Elevation Error [ft] +/- | .1 |
| Land Surface Elev. [NAVD88] | |
| Total Depth [FT BLS] | 107 |
| Completion Date | 01-JAN-1959 |
| Hole Diameter | |
| Well Owner | GEOLOGICAL SURVEY |
| Driller Name | |
| Drilling Method | CABLE TOOL |
| Construction Comments | |
| Construction Date | |
| Destroy Date | |
| Drilling Comments | |
| Development Method | |
| Development Hours | |
| General Comments | Automated well construction update from USGS NWIS Database on (01-14-2003) |
