This gage is monitored in cooperation with the |
LOCATION.--Lat 27°17'58.9", long 81°49'28.4" (North American Datum of 1983), in SW 1/4 SW 1/4 sec.33, T.36 S., R.25 E., DeSoto County,Hydrologic Unit 03100101, 200 ft east of U. S. Highway 17, and 3.8 mi south of Gardner. AQUIFER.--Tampa member Hawthorn formation of Miocene Age, Geologic Unit 122HTRN. WELL CHARACTERISTICS.--Drilled, observation well, diameter 6 in., depth 430 ft, cased to 255 ft. INSTRUMENTATION.--Water-stage recorder--60-minute interval. DATUM.--Land-surface datum is 75.37 ft above National Geodetic Vertical Datum of 1929. Measuring point: Top of recorder shelter floor, 3.09 ft above land-surface datum, Oct. 2000 to present. Land surface datum is 74.33 ft above North American Vertical Datum of 1988. Water level elevations computed using NGVD 29 in order to maintain consistency with historical records. PERIOD OF RECORD.--October 2000 to September 2010 (discontinued). REVISED RECORDS.--WDR-US-2007: Land-surface datum.