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Geological Survey

American

noun

U.S. Government. a division of the Department of the Interior, created in 1879, that studies the nation's water and mineral resources, makes topographic surveys, and classifies and leases public lands.
(lowercase) a systematic investigation of the geology of an area.

Geological Survey British

noun

a government-sponsored organization working in the field of geology, such as the US Geological Survey, the Geological Survey of India, or the Institute of Geological Sciences (UK)

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The most intense earthquake reached a magnitude of 4.7 shortly after midnight in the early morning Sunday, according to the United States Geological Survey.

From Los Angeles Times • May 10, 2026

Geological Survey last year found samarium was the highest-risk mineral for disruption, with shortages potentially costing U.S. industry billions of dollars.

From The Wall Street Journal • Apr. 26, 2026

Geological Survey, the carp can jump as high as 10 feet into the air when spooked by outboard motors or other disturbances.

From The Wall Street Journal • Apr. 8, 2026

The politically stable country is Africa's second-largest copper producer, after the conflict-ridden Democratic Republic of Congo, and the world's eighth, according to the US Geological Survey.

From Barron's • Feb. 15, 2026

Geological Survey maps put the distance at 2,118.3 miles.

From "A Walk in the Woods" by Bill Bryson

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023