Coa Valley - Engravings

Antonio Manuel Pessanha (ampessanha@mail.telepac.pt)
15 Aug 1996 12:45:13 GMT

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Antonio Manuel Pessanha
Av. Bombeiros Voluntarios, 52 - 1.D.
1495 ALGES PORTUGAL
ampessanha@mail.telepac.pt

Dear Mila Simoes de Abreu

I knew that the arcaelogists working in the Coa Valley Park are washing the
engravings with water under high pressure. Is it true ? Tell me something
about this matter and theirs consequences.
Thanks