@data{445d0919-f464-4c57-b7b9-3b83669b1d34, author = {Mingguo Ma}, cstr = {18406.11.Socioeco.tpdc.270605}, doi = {10.11888/Socioeco.tpdc.270605}, journal = {A Big Earth Data Platform for Three Poles}, month = {07}, publisher = {}, title = {Irrigation ditch map in Zhangye city}, url = {http://dx.doi.org10.11888/Socioeco.tpdc.270605}, year = {2013} }