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Water-Level Source Codes

Code Description
A Reported by another government agency (do not use "A" if reported by owner, use "O").
D From driller's log or report.
G Private geologist-consultant or university associate.
L Depth interpreted from geophysical logs by personnel of source agency.
M Memory (owner, operator, driller).
O Reported by owner of well.
R Reported by person other than the owner, driller, or another government agency.
S Measured by personnel of reporting agency.
U Source is unknown.
Z Other source (explain in remarks).