Candidate-penetrative fracture mapping of the grand canyon area, Arizona, from spatial correlation of deep geophysical features and surficial lineaments [electronic resource] / by Mark E. Gettings a. Mark W. Bultman. - [S.l.] : U.S. department of the interior ; U.S. Geological survey, [S.d.]. - 1 DVD-ROM ; 12cm. - (USGS : Data ser. ; 121). - System requirements: Windows 2000, or Windows XP. - ISBN 1-411-30542-6[MFN: 2254]