Geological researches in China, Mongolia, and Japan, during the years 1862-1865.

50 GEOLOGICAL RESEARCHES IN
according to the length of the li. Hienshuikau (on the Pei Ho, in long. 117~ 32' E.)
is said to have been on the sea-shore in A. D. 500,1 and is at present about eighteen
miles distant, an increase of about 81 feet per annum.
Along the southern shore of the gulf of Pechele the yearly increase N. E. of Shukwang since B. C. 220, seems to have been not more than 30 feet.
The sea-shore, according to local tradition, was near the present location of
Tientsin (fu) during the Han dynasty.
It is also recorded that under the reign of the Han, the Hwang Ho entered the
sea at Changwu, near the present Tsinghai.
Fangyuchiyau; Chihli. 8 Ibid.