P. O. Box 9193 Agustinas 785 of 446 Santiago, CHILE
562 790 3100; 56 32 23 21 45;
After hours 56 9 225 2516
562 790 3117; 56 32 23 21 45;
surveyor@hanna.cl; mhanna@hanna.cl (after hours); valpo@hanna.cl
www.hanna.cl