1. Cross-borehole observation of soil grouting;Laine;J. Geotech. Engng Div. Am. Soc. Civil Engrs,1980
2. Overview of the fracture testing program at the underground research laboratory;Lang,1986
3. Subsurface geology of the underground research laboratory, an overview of recent developments;Everitt,1985
4. Geology of the underground research laboratory ventilation raise;Everitt,1987
5. Computed geophysical tomography;Dines,1979