[Geomag-operations] grounds maintenance at Guam observatory

[Finn, Carol]

Grounds maintenance is scheduled at Guam Magnetic Observatory July 18 local
time to include work around the Variations and Absolutes buildings.
Artificial disturbances can be expected.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://geohazards.usgs.gov/pipermail/geomag-operations/attachments/20180717/083bb906/attachment.html>