Reef Watch Results
| No. | Reporter | Date | Province/Island | Action |
| 1921 | 1 | /1 |
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| 1922 | 1 | /1 |
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| 1923 | 1 | /1 |
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| 1924 | 1 | /1 |
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| 1925 | 1 | /1 |
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| 1926 | 1 | /1 |
|
|
| 1927 | 1 | /1 |
|
|
| 1928 | 1 | /1 |
|
|
| 1929 | 1 | /1 |
|
|
| 1930 | 1 | /1 |
|
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| 1931 | 1 | /1 |
|
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| 1932 | 1 | /1 |
|
|
| 1933 | 1 | /1 |
|
|
| 1934 | 1 | /1 |
|
|
| 1935 | 1 | /1 |
|
|
| 1936 | 1 | /1 |
|
|
| 1937 | 1 | /1 |
|
|
| 1938 | 1 | /1 |
|
|
| 1939 | 1 | /1 |
|
|
| 1940 | 1 | /1 |
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|
= View detail | |
