| name | PLAN OF PORT ARTHUR SHOWING DEFENSES AND SIEGE WORKS | |
| version | 1.0.0 | |
| description | ||
| type | overlay | |
| format | png | |
| minzoom | 0 | |
| maxzoom | 16 | |
| profile | mercator | |
| basename | Dairen_21K_1908 | |
| bounds0 | 121.171798097 | |
| bounds1 | 38.750785231 | |
| bounds2 | 121.333596115 | |
| bounds3 | 38.8635291334 |