@misc{indiciaed442293ee62e, title = {Candidate-penetrative-fracture mapping of the Grand Canyon area, Arizona, from spatial correlation of deep geophysical features and surficial lineaments}, author = {Mark E. Gettings and Mark W. Bultman}, year = {2005}, doi = {10.3133/ds121}, url = {https://pubs.usgs.gov/publication/ds121}, note = {Source identifier: ds121} }