TY  - BOOK
AU  - Merrett,Henry S.
AU  - Usill,George William
TI  - A practical treatise on the science of land and engineering surveying, leveling, estimating quantities, &c.
SN  - 9781236079145
PY  - 2012///
CY  - Memphis, USA
PB  - general Book LCC
KW  - Surveying
ER  -