TY - BOOK ID - 145392659 TI - A manual of field and office methods for the use of students in surveying AU - Pence, William D. AU - Ketchum, Milo S. PY - 1910 PB - New York, NY : Engineering news publishing company, DB - UniCat KW - Topographical surveying KW - Area measurement KW - Mathematical geography UR - https://www.unicat.be/uniCat?func=search&query=sysid:145392659 AB - ER -