Title:
Hi Carl,
Try the following link:
I'm sure some will be copyright-free, or willing for you to use with acknowledgment.
Best wishes,
Tony
P.S. Thank you for the first non-political/accusatory post in a long time!
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Dr Anthony Butcher
School of Earth & Environmental Sciences
University of Portsmouth
Burnaby Building
Burnaby Road
Portsmouth
PO1 3QL
United kingdom
Tel: (+44) 23 9284 2258
Fax: (+44) 23 9284 2244
anthony.butcher@port.ac.uk
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