TY  - RPRT
TI  - Candidate-penetrative-fracture mapping of the Grand Canyon area, Arizona, from spatial correlation of deep geophysical features and surficial lineaments
AU  - Mark E. Gettings
AU  - Mark W. Bultman
PY  - 2005
DO  - 10.3133/ds121
UR  - https://pubs.usgs.gov/publication/ds121
ID  - ds121
ER  -