Emperor Taizu also found other ways to consolidate and strengthen his power, including updated map-making (cartography) so that his central administration could easily discern how to handle affairs in the provinces. In 971, he ordered Lu Duosun to update and 're-write all the Tu Jing in the world'; a daunting task for one individual. Nonetheless, he traveled throughout the provinces to collect illustrative gazetteers and as much data as possible. With the aid of Song Zhun, the massive work was completed in 1010, with some 1566 chapters. The later "Song Shi" historical text stated (Wade–Giles spelling):