Barbour, George Brown,  1890- <br/><br/>
The geology of the Kalgan area. 

 - Peking,  [Ministry of Agriculture and Mines, the Geological Survey of China]  1929. 
 - xi, 148, 148a-f. 26, 2 p.  illus., 2 fold. col. maps, plates.  27 cm. 
 - Chung yang ti chih tiao chʻa so (China).  Ti chih chuan pao.  Chia chung ti 6 hao. .
<br/><br/><label>LCCN: </label>gs 30000143  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Geology--China--Hebei Sheng.<br/>Geology, Stratigraphic.
<br/><br/><label>LC Class. No.: </label>QE294  / .A4 ser. A, no. 6