Basic borehole technology and practice
Chukwurrah, C. C.
Basic borehole technology and practice C. C. Chukwurrah - Ekpoma olulu 1992 - vii, 84p. :ill.;
978201088
Well digging and boring
TD412.C4 1992
Basic borehole technology and practice C. C. Chukwurrah - Ekpoma olulu 1992 - vii, 84p. :ill.;
978201088
Well digging and boring
TD412.C4 1992