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- Sinkhole - Wikipedia
A sinkhole is a depression or hole in the ground caused by some form of collapse of the surface layer
- What is a sinkhole? | U. S. Geological Survey - USGS. gov
Sinkholes are most common in what geologists call, “ karst terrain ” These are regions where the types of rock below the land surface can naturally be dissolved by groundwater circulating through them
- What causes sinkholes, and why are they so dangerous?
The search has revived national concern about the unpredictability of sinkholes Here's what you should know about sinkholes, how they're created and where they can happen
- Sinkhole - National Geographic Society
Sinkholes vary from shallow holes about one-meter (three-feet) deep, to pits more than 50 meters (165 feet) deep Water can drain through a sinkhole into an underground channel or a cave
- Sinkhole Facts - Science Notes and Projects
Get sinkhole facts in geology Learn about the different types of sinkholes, how they form, and how to repair or escape from one
- Sinkholes: What They Are, How They Form, And Their Potential Dangers
Sinkholes are sudden depressions or holes that appear on the Earth's surface when the ground collapses causing significant damage to infrastructure and serious risks to human safety
- What Causes Sinkholes? | Formation, Water, Limestone, Facts - Britannica
Sinkholes are depressions that form when the underlying limestone bedrock is eroded or dissolved by groundwater
- Geologic Hazards: Sinkholes
Sinkholes form when the land surface collapses into a void formed in soluble bedrock Regions where caves and sinkholes form, like the Guadalupe Mountains near Carlsbad, are called karst landscapes
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