West, Graham The field description of engineering soils and rocks / Graham West - Milton Keynes : Open University Press, 1991 - 129 p. : ill. ; 21 cm. - Geological Society of London handbook series . Bibliography : p. 123-126 ISBN: 0335152082 RM77.88 LCCN: 91-008598 Subjects--Topical Terms: Engineering geologySoils--ClassificationRocks--Classification