jgg     2010 30 (4):  64-67    ISSN: 0412-1961  CN: 21-1139/TG DATA REHANDLING OF CRUSTAL MOVEMENT OBSERVATIONNETWORK FROM 1999 TO 2009 Liu Guangming 1,3) ;Ma Jinhui 1) ;Wu Fumei 2,3) ; and Tang Yingzhe 3) 1)School Resource and Environment, Lanzhou University, Lanzhou 730000 2)Institute of Surveying and Mapping, Information Engineering University, Zhengzhou 4500523)Xi’an Research Institute of Surveying and Mapping, Xi’an 710054 Received: 1900-01-01  Revised: 1900-01-01  Online: null Supporting info null