TY - BOOK AU - Landon,Robert P. TI - Practical surveying for technicians SN - 0827339410 AV - TA545 .L23 1994 U1 - 526.9 20 PY - 1994/// CY - Albany, NY PB - Delmar Publishers KW - Surveying N1 - Includes bibliographical references (p. 289-291) and index ER -