The physiographic features in the Ping Liang (平涼) area are composed of two parts, the mountain on the south and the loess plateau spreading northward to a great extent.
Reference
Related
Cited by
Get Citation
.1925. THE ORDOVIOIAN GRAPTOLITE BEDS OF PING LIANG, E. KANSU[J]. Acta Geologica Sinica(),4(1):19-20