REMOTE DOWNLOAD NOT AVAILABLE - please contact data@library.columbia.edu for access. Zhejiang Main Rivers, 2000 is a polygon theme representing major rivers in Zhejiang Province in China in 2000. It also includes some lake, dam, and reservoir features. This data layer is part of the China 2000 Township Census data set produced by the All China Marketing Research Co. and distributed by the University of Michigan, China Data Center.