Professional paper - Geological Survey Department.
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| Corporate Author: | |
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| Format: | Serial |
| Language: | English |
| Published: |
Colombo,
Geological Survey Department, Ministry of Industries and Scientific Affairs, Republic of Sri Lanka.
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| Subjects: |
| Physical Description: | no. ill., maps (some fold. col. in pocket). 26 cm. |
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| Publication Frequency: | Irregular |
| Bibliography: | Bibliographies included. |
| ISSN: | 1017-558X |