TY  - BOOK
AU  - Ormsby,Michael Thomas Morley
TI  - Elementary principles of surveying: a textbook for the use of students, engineers, etc
AV  - TA545 .O78
U1  - 526.9 23
PY  - 1914///
CY  - London, New York
PB  - Scott, Greenwood & son, Van Nostrand
KW  - Surveying
ER  -