1. Editor's Message Scientific visualization in hydrogeology

   • Clifford I. Voss

   Editor's Message Pages: 153 - 154

2. Validity of a sharp-interface model in a confined coastal aquifer

   • Sameh A. Sakr

   Papers Pages: 155 - 160

3. Elemental analyses of goundwater: demonstrated advantage of low-flow sampling and trace-metal clean techniques over standard techniques

   • C. L. Creasey
   • A. R. Flegal

   Papers Pages: 161 - 167

4. Regional characterisation of hydraulic properties of rock using air-lift data

   • David Wladis
   • Gunnar Gustafson

   Papers Pages: 168 - 179

5. Simulation of regional-scale groundwater flow in the Azul River basin, Buenos Aires Province, Argentina

   • Marcelo R. Varni
   • Eduardo J. Usunoff

   Reports Pages: 180 - 187

6. Groundwater quality and rural drinking-water supplies in the Republic of Moldova

   • Ruslan Melian
   • Nicolai Myrlian
   • Frank Radstake

   Reports Pages: 188 - 196

7. The Dammam aquifer in Bahrain – Hydrochemical characterization and alternatives for management of groundwater quality

   • Waleed K. Zubari

   Reports Pages: 197 - 208

8. Interpretation of tracer tests performed in fractured rock of the Lange Bramke basin, Germany

   • Piotr Maloszewski
   • Andreas Herrmann
   • Andrzej Zuber

   Reports Pages: 209 - 218

9. Environmental isotopes in determining groundwater flow systems, northern part of Epirus, Greece

   • I. L. Leontiadis
   • E. Nikolaou

   Reports Pages: 219 - 226

10. Assessment of the potential for groundwater contamination using the DRASTIC/EGIS technique, Cheongju area, South Korea

    • Youn Jong Kim
    • Se-Yeong Hamm

    Reports Pages: 227 - 235

11. Determining concentration fields of tracer plumes for layered porous media in flow-tank experiments

    • Zhongbo Yu
    • Franklin W. Schwartz

    Technical Note Pages: 236 - 240