2D Seismic Refraction Tomography
1:22:05
Olson Engineering Webinar on Seismic Refraction for Near-Surface Geophysics
35:00
Dam Geophysics Presentation
50:37
Seismic refraction a practical approach
18:48
TUTORIAL SÍSMICA REFRACCIÓN
22:12
Hydrogeology 101: Introduction to Resistivity Surveys
28:24
The seismic reflection image - stacking and velocities
30:13
Lesson 5 - The Seismic Method
8:27