Detail View: P.A. Crush & C.W. Kinder Digital Archive:

Original Title: 
洗煤池
Contributor: 
P.A. Crush
Description: 
This appears to be a loading point where “mud” (according to Chinese character) or shale is transferred into horse-drawn wagons at Tongshan colliery.
Online Format: 
JPG
Category-1: 
Photo
Category-2: 
Building
Original Page: 
SECTION X(c) - AlbumP27/135
Noted-1: 
唐山煤礦
Copyright: 
P.A. Crush & C.W. Kinder