Engineering geology and the environment : proceedings International Symposium on Engineering Geology and the Environment, organized by the Greek National Group of IAEG, Athens, Greece, 23-27 June 1997. Vol. 3. 5 : Impact from the exploitation of mines and quarries ; 6 : Environmntal aspects of the design and construction of large engineering works and schemes ; 7 : Protection of geological and geographical heritage ; 8 : Protection of historical and architectural heritage ; 9 : Environmental courses in geological and geotechnical education