Volcano surveillance system based on the Earth Resources Technology satellite
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Earthquake Information Bulletin (USGS)↗
Geology topics
Rex V. Allen
Publications and source records attributed to Rex V. Allen.
Geophysical exploration in the Jabal Samran area, Saudi Arabia
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Open-File Report↗
Geophysical exploration in the Mahad adh Dhahab district, Saudi Arabia
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Open-File Report↗