The Historic Places Trust is considering a prosecution over stock damage to a pa site in South Taranaki.
Senior archaeologist Rick McGovern-Wilson says the trust is investigating whether permanent harm was done to earthworks at Te Ruaki Pa near Hawera when a sharemilker employed by the receivers of Crafar Farms, ran cows on the site during wet weather.
He says it serves as a warning of the need to protect such areas.
Dr McGovern-Wilson says Ruaki is an outstanding pa site 200 - 300 metres long on the crest of a ridge, which can be seen on Google Earth.
He told Waatea News the trust will take the matter up with the receivers and South Taranaki District Council next week, after a senior archaeologist has investigated the full extent of the damage.