TY  - BOOK
AU  - W. Norman Thomas
TI  - Surveying 
U1  - 526.9 
PY  - 1961///
PB  - The english language book society
KW  - MCE
N1  - 0; 0; 0; 526_900000000000000_THO; 0; 0; 0; 526_900000000000000_THO
ER  -