Saga Pit And Quarry Textbook / by Sand & Gravel Association of Great Britain - 1st.ed. - London : Macdonald & Co. Ltd., 1967 - 239 p.: graph, ill.; 22 cm Includes bibliographical references ( p. : 230 - 232 ), indexs ( p.: 235 - 239 ) ISBN: Subjects--Topical Terms: --Great Britain--Sand And Gravel Industry Dewey Class. No.: 622.362 SAG