Browse TRAIL Inventories

Analysis of fracture orientations for input to structural models of discontinuous rock

Determination of attitudes of joints surveyed with a borescope in inclined boreholes

Analysis of the geometry of fractures in San Manuel Copper Mine, Arizona

Procedures used for sampling fracture orientations in an underground coal mine

A Bureau of Mines direct-reading azimuth protractor

A computer program for clustering data points on the sphere

FRACTAN: a computer code for analysis of clusters defined on the unit hemisphere,

A method for computing stabilization pressures for excavations in incompetent rock :with computer user information


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