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Displaying 1 - 5 of a total of 5 items
September 05, 2018
By the numbers: Maryland
8,416 geoscience employees (excludes self-employed)1
295 million gallons/day: total groundwater withdrawal3
$379 million: value of nonfuel mineral production in 20174
32 total disaster declarations, including 9 flood, 8 hurricane, and 7 snow disasters (1953-2017...
August 28, 2018
Climate Science 101
Climate is the average of weather conditions over several decades.1,2 Geoscientists monitor modern climate conditions (1880 A.D. to present) in part by taking direct measurements of weather data (i.e., air temperature, rainfall and snowfall, wind speed, cloudiness, and so on)...
June 01, 2018
Introduction
Oil- and gas-rich rocks are only found in certain parts of the United States, so most of the country has no oil or gas wells. Where oil and gas production is commercially viable, many factors determine the exact location of each well, including leasing, permitting, competing land uses...
September 07, 2017
Introduction
Dry wells improve stormwater drainage and aquifer recharge by providing a fast, direct route for rainwater to drain deep into underlying sediment and rock. Dry wells are most common in the western U.S. where clay or caliche layers slow down the natural drainage of water into...
May 19, 2017
Although sinkhole development in susceptible areas cannot be completely prevented, policy makers and the public can use geologic maps that delineate karst features to develop strategies that can minimize or avoid property damage and personal injuries.
Defining the Problem
Sinkholes, which abound...
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