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Maryland Geology - Map of Maryland

Maryland Rivers - Maryland Earthquakes - Maryland Rocks & Minerals

Maryland Geographic Resources

Maryland Satellite Image

Maryland Geology in the News

Roadside Geology Guides: Since 1972 the “Roadside Geology” series has provided...

Hydraulic Fracturing Standards: Several major natural gas drillers have developed a...

Maryland Natural Gas Severance Tax?: The Maryland House approved a bill that would...

Sea Level Rise and the US Coastline: An article on the New York Times website...

Atlantic Coast Inland Flooding from Hurricane Irene: “The U.S. Geological Survey deployed a temporary monitoring...

This Marcellus Pipeline Goes South: A $1 billion pipeline has been proposed that...

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Maryland River Levels

USGS has a clickable map of Maryland rivers and streams that gives you access to real-time river levels throughout Maryland. River stage, discharge and other information can be accessed online. Or view a lake and river map of Maryland.

Maryland Geography Statistics

Area of Maryland: 9,774 sq. miles

Maryland Population: 5508909

Highest Point in Maryland
Backbone Mtn. at 3,360 feet feet

Lowest Point in Maryland
Atlantic Ocean at Sea Level

There are 24 counties in Maryland

Maryland Earthquakes

The National Earthquake Information Center maintains an Maryland earthquake map and an archive of Maryland earthquake information.

	Blood Diamonds
	What Causes a Tsunami?
	The Only Diamond Mine in the USA
	What is a Debris Flow?
	Mineral Rights
	Protecting Coral Reefs
	Diamonds Don't Form From Coal
	Marcellus Shale

Maryland Geological Survey

Researches, archives and publishes information related to the geology, mineral resources and geologic hazards of Maryland.

Maryland Geological Survey

Geology Articles and Information

	Liquified Natural Gas
	Marcellus Shale
	Sea Level Rise Map
	Atlantic Ocean Tsunami
	Expansive Soils
	Homeowners Insurance
	Mineral Rights
	Geothermal Heat Pumps
	Geologic Time Scale