The geology of the Kalgan area /
Barbour, George B.(George Brown),1890-1977,author.
Ministry of Agriculture and Mines.
Nong kuang bu di zhi diao cha suo (China)
Includes 2 fold out maps attached to back free end paper.
Includes 2 fold out illustrations attached to front and back free end paper.
"Contributions from the Department of Geology Columbia University, Vol. 42. No. 2."
Map: Geological reconnaissance map of the Kalgan Area at scale: 1:100,000 -- legend.
Map: Reconnaissance map of the Kalgan Area at scale: 1:100,000 -- legend.
Bartholomew Firm Library.
Geology
Geology, Stratigraphic.
Geology.
Geology, Stratigraphic.