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# National Water Information System
# 2024/11/21
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# Date Retrieved: USGS Water Data for the Nation Help System
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Code	Description
1s	85s
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).