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Code Description
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e Value has been edited or estimated by USGS personnel and is write protected
& Value was computed from affected unit values
E Value was computed from estimated unit values.
A Approved for publication -- Processing and review completed.
P Provisional data subject to revision.
< The value is known to be less than reported value and is write protected.
> The value is known to be greater than reported value and is write protected.
1 Value is write protected without any remark code to be printed
2 Remark is write protected without any remark code to be printed
No remark (blank)
