Compiling global database of fault zone permeability and geology from tunneling and mining projects (must be some type of underground excavation in rocks).
This work included calculation and measurements of fault permeabilities:
Sonnenthal, E.L., C.F. Ahlers, and G.S. Bodvarsson, 1997, Fracture and fault properties for the UZ site-scale flow model, In: The site-scale unsaturated zone model of Yucca Mountain, Nevada, for the viability assessment, G.S. Bodvarsson, T.M. Bandurraga, and Y.S. Wu, eds., Yucca Mountain Site Characterization Project Milestone , Lawrence Berkeley National Laboratory Report LBNL-40376.