REMOVE

1. General Maps
2. Printed
3. Names, Geographical
4. Yellow River (China)
5. Inner Mongolia (China)
6. Shaanxi Sheng (China)

WHAT

1. Names, Geographical (1)

WHERE

1. Inner Mongolia (China) (1)
2. Ningxia Huizu Zizhiqu (Ch … (1)
3. Shaanxi Sheng (China) (1)
4. Yellow River (China) (1)

WHO

1. Fuchs, Walter, 1902-1979 (1)
2. Jartoux, Pierre, 1669-172 … (1)
3. Regis, Jean Baptiste, 166 … (1)
4. 康熙, Emperor of China, 165 … (1)

WHEN

1. 1721 (1)