=LDR 00000nam a2200000ui 4500 =001 5436 =008 250530s1952\\\\xx\|||||||||||||||||eng\d =082 04$a526.9 WIL =100 1\$aWilliamson, James =245 10$aSurveying and Field Work: a practical text-book intended for the use of students in technical schools and colleges and as a work reference for surveyors, engineers and architects =260 \\$aLondon :$bConstable and Co.,$c1952 =852 \\$bFreeman Library$cBooks$h526.9 WIL