To join TSOP please fill out the Membership Application Form.



After submitting the form please email your portrait photograph to
the TSOP Membership Committee chair:

Paul Hackley
U.S. Geological Survey
956 National Center
Reston, VA 20192
USA
phone: 703 648-6458
fax: 703 648-6419



Your application will be forwarded to the TSOP Council. When approved your account will be created on the Members Only webpage. You will then receive an email to log in and pay your dues via PayPal or check (check option is available for US members only due to high bank fees when processing a foreign check). Your membership will be announced on the TSOP Facebook page.


TSOP dues are currently set at:
$25/1 year for individuals
$100/5 years for individuals who pay dues in advance (5th year free)
$15/1 year for students


Dues should be paid by December 31 for the coming year.



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