RT Journal Article T1 El S.I.G. geológico de Cataluña A1 Marturiá, J. A1 Paz, A. de A1 Lleopart, A. AB In this paper will be presented an overview about data bases, geological CIS applications and guidelines used to build alpha-graphic data bases carried out by the Instltut Cartogràfic de Catalunya ' (I.C.C) in the last years. Some projects and applications will also be introduced PB Sociedad Geológica de España YR 1996 FD 1996 LK http://hdl.handle.net/10272/12733 UL http://hdl.handle.net/10272/12733 LA spa DS Repositorio Institucional de la Universidad de Huelva RD 1 jun 2026