Reports, Geological Survey of Japan(1958)

Table of contents

Number	Title	Author
No.177	Palynological Study on Japanese Coal. I. Method of Pollenanalysis on Japanese Coal	Tokunaga Shigemoto
No.178	Studies on the Brackish Water. I. Geochemical Studies of Lake Hamana-Ko – On the Genesis of Natural Gas Accumulation –	Motojima Koji and Maki Shin-ichi
No.179	Studies on the Brackish Water. II. Determination of the Chemical Constituents of Interstitial Water in Lake Mud and the Experiment on the Dissolution of Organic and Inorganic Substances from Mud of Lake Hamana-Ko	Oana Shinya
No.180	Studies on the Brackish Water III. Recent Foraminifera from the Brackish Lake Hamana-Ko	Ishiwada Yasufumi
No.181	Palynological Study on Japanese Coal. II. Pollenstratigraphical Investigations in the Coal Fields, Middle Hokkaido	Tokunaga Shigemoto