LOCATION.--Lat 41°43'16", long 91°25'20"
referenced to North American Datum of 1927, in SW 1/4 NW 1/4 SW 1/4
sec.22, T.80 N., R.5 W., Johnson County, IA, Hydrologic Unit
07080209, along the old Chicago, Rock Island and Pacific Railroad
line, 900 ft southeast of intersection of Elmira Road and Rapid Creek
Road, 5.5 mi northeast of intersection of U.S. Interstate 80 and
State Highway 1, and 2.0 mi south of Morse. (map)
WELL CHARACTERISTICS.--Depth 82.5 ft. Upper casing diameter 5 in;
top of first opening undefined, bottom of last opening undefined.
Drilled observation well, cased to 82.5 ft. All depths below
DATUM.--Land-surface datum is 756.11 ft above National Geodetic
Vertical Datum of 1929. Measuring point: top of casing, 3.63 ft above
land-surface datum, March 9, 1995, to present. Land-surface datum
PERIOD OF RECORD.--Water-level measurements, water years 1942 to
PERIOD OF DAILY RECORD.--Water-level records from July 1998 to