Category:William Spain Seismic Observatory
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Media in category "William Spain Seismic Observatory"
The following 2 files are in this category, out of 2 total.
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William Spain Seismic Observatory entrance.jpg 3,059 × 3,159; 3.69 MB
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William Spain Seismic Observatory.jpg 2,798 × 2,507; 2.54 MB
