Basic map interpretation - Lycoming County sheet
21:15
South Glencoul - a quick geological interpretation
20:15
Recognising basin inversion.... by sketch restoration
13:31
Sketching cross-sections - Isle of Wight
11:12
Cinto dobrável Jura - novas visões sobre estocadas de pele fina
12:38
Structural Geology: Stereonet: Visualization
22:07
Geology for Engineers: Geological Maps 2. Draw a Geological Cross Section with Dipping Layer
20:10
Vala de maquiagem v1
12:19