[029-050] A Collecting Trip into the Jurassic of Southern Mexico in 1935
A Collecting Trip into the Jurassic of Southern Mexico in 1935 Author: Noe, A.C.
[029-049] The Separation and Concentration of Vitrain, Clarain, and Fusain in Illinois Coal*
The Separation and Concentration of Vitrain, Clarain, and Fusain in Illinois Coal* Authors: Boley, C.C. and McCabe, L.C.
[029-048] The Classification of Illinois Coal Under the Operation of the Guffey Bill*
The Classification of Illinois Coal Under the Operation of the Guffey Bill* Author: Cady, G.H.
[029-047] Santa Marta, the Banana Port of South America
Santa Marta, the Banana Port of South America Author: Zeller, Rose
[029-046] Some Aspects of Geography of the Foochow Basin
Some Aspects of Geography of the Foochow Basin Author: Kwan-te, Liu