...anti-mining activists are demanding international resource companies pull out of a local copper project, one of the largest in Southeast Asia...Some 1,200 people from more than 20 groups marched...to demand that Xstrata-Sagittarius operations cease...Bishop Dinualdo Gutierrez of Marbel has warned of water pollution, destruction of farms and food sources, and loss of livelihood for farmers...Xstrata Copper...owns more than 62 percent of the Tampakan Copper-Gold Project. More than 37 percent is owned by...Indophil Resources..Their combined interests are being managed through Sagittarius Mines Inc. (SMI)...John Arnaldo, Sagittarius communications manager...said the company is willing to work with communities for safe mining operations...