I believe, it is useful to make a note of various memorandums of our seniors in the field of earth science.
In this materials, fifteen memorandums concerning the groundwater explorations done by our honourable seniors are introduced.
In those bays, many cities in this country wished to investigate the groundwater situation for constructing of city water source by the deep well method which had been in high opinion.
They are Toyama, Toyohashi, Nagano, Yokkaichi, Hamamatsu and Shizuoka cities by Mr. Oinoue, Tokorozawa town and Numazu city by Mr. Ihara, Akashi city and Tamazu village in the suburbs by Mr. Kinoshita, etc.
