TY  - BOOK
AU  - Usill, G.W.
AU  - Frics, K.M. Hart
TI  - Practical Surveying: A Textbook for Students Preparing for Examinations or for Survey Work at Home and Overseas
AV  - TA545.U8 1960 
PY  - 1960///
CY  - London
PB  - The Technical Press Ltd.
KW  - Surveying
N1  - Includes bibliographical references and index
ER  -