The Rock Fracture Project was an industrial affiliates project within the Structural Geology and Geomechanics Program in the School of Earth Sciences at Stanford University from 1990 to 2015. The project was co-directed by Professors David D. Pollard and Atilla Aydin. The Rock Fracture Project was one of the largest and most active research groups in the world devoted to conducting state-of-the-art research on problems of rock fracture and related crustal deformation and fluid flow, with special attention to the needs of the petroleum industry. Funding for the project came from more than twenty-five member companies. The 405 scientific reports from 25 annual workshops are archived here.