The geology of the Kalgan area.
Barbour, George Brown, 1890-
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. .
gs 30000143
Geology--China--Hebei Sheng.
Geology, Stratigraphic.
QE294 / .A4 ser. A, no. 6
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. .
gs 30000143
Geology--China--Hebei Sheng.
Geology, Stratigraphic.
QE294 / .A4 ser. A, no. 6