Drawing geological structures por Kruhl, Jörn H.

Field geophysics por Milsom, John 1939-

Sedimentary rocks in the field a practical guide por Tucker, Maurice E.

Basic geological mapping por Lisle, Richard J., Brabham, Peter, Barnes, J. W. 1921-

Field hydrogeology por Brassington, Rick

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Sedimentary rocks in the field por Tucker, Maurice E.

Field geophysics por Milsom, John 1939-

Basic geological mapping por Barnes, J. W. (John Wykeham) 1921-

Basic geological mapping por Barnes, J. W. 1921-