USGS Water-Year Summary 2024
401934089541702 22N7W-29.1d2 (SH-1)
LOCATION - Lat 40°19'34.3", long 89°54'17.3" referenced to North American Datum of 1983, in sec.29, T.22 N., R.7 W., Mason County, IL, Hydrologic Unit 07130003,
GROUNDWATER RECORDS
WELL CHARACTERISTICS - Depth undefined. Upper casing diameter undefined; top of first opening undefined, bottom of last opening undefined.
DATUM - Land-surface datum is 467.87 ft above North American Vertical Datum of 1988. Measuring point: Two file marks on top of well casing, 2.91 ft above land-surface datum, UNDEFINED BEGIN DATE to present.