1. waterway relations

    Closed
    #50747991 17 12 244 0

  2. Irrigation scheme in Gansu (CN)

    Closed
    #50747505 189 3 0 0

  3. Gansu (CN) water supply project

    Closed
    #50735616 16 176 0 0

  4. Chinese wadi or even canyon

    Closed
    #50735534 98 11 0 0

  5. Sorry, mapped some parts duplicate

    Closed
    #50735441 10 20 90 0

  6. Gansu (CN) water supply project

    Closed
    #50735322 438 11 45 0