| Title | Author | PDF |
| Chemical Characteristics of River Water in the Eastern Part of Shimane Prefecture –with special emphasis on cause of uranium anomaly– |
Shunso ISHIHARA and Tsunekazu MOCHIZUKI (435-448) |
20-07_01.pdf(1,882KB) |
| On Seismic Waves Generated by Explosions (2) –Relations between the maximum amplitude and charge amounts or explosion conditions– |
Susumu IIZUKA (449-461) |
20-07_02.pdf(6,756KB) |
| On the Chemical Composition of Bottom Sediments from Lake Shinji and Lake Naka-umi, West Japan (Studies on the chemical composition of sedimentary rocks, 2nd Report) |
Ei OMORI (463-479) |
20-07_03.pdf(1,614KB) |
| [ Notes ] |
(481-490) |
20-07_04.pdf(1,188KB) |
