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USGS 364358120314906 014S013E11D006M


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The effects of friction in the exten­someter apparatus, likely caused by contact between the extensometer cable and the casing, are evident throughout the record by periods of little change which are terminated by small vertical offsets, which resulted in a frictional deadband in the record. The friction was largely overcome by manually oscillating the cable during field visits, which involved applying force to the cable to free it from the friction. Therefore, the magnitude of compaction that occurred during periods of friction was recorded when the friction was overcome; however, the time delay between actual compac­tion and recording of the compaction during these periods is unknown.

This station managed by the Sacramento Projects Office.

Available Parameters Available Period
All 3 Available Parameters for this site
50012 Compaction, aquifer system [Cumulative since 4/5/2012] 2012-04-05  2019-08-13
50012 Compaction, aquifer system, [Cumulative since 5/25/1961] 2012-04-05  2019-08-13
72019 Water level, depth LSD 2012-04-19  2019-08-13

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Days  (7)

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Summary of all available data for this site
Instantaneous-data availability statement
*** There are no data available on the Waterdata system for the time period specified,
    although data may be available in the files of the local USGS office operating the station.