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Date published: May 6, 1997

As The Red River Floodwaters Recede, USGS Continues Measuring Flood Effects With Cooperation of State Agencies

Even as the floodwaters of the Red River of the North continue to recede, and residents begin to deal with the aftermath of the unprecedented nature of this rare flood, the U.S. Geological Survey, in cooperation with several bi-state agencies, is making additional streamflow and water-quality measurements to assess the overall impact of the flood.

Date published: May 1, 1997

Mexico Earthquake

An earthquake with a preliminary magnitude of 6.7 occurred off the coast of Mexico, Thurs., May 1, 1997, according to the U.S. Geological Survey.

Date published: April 28, 1997

Fish Hormones Affected By Contaminants in Streams Across the Country

Levels of fish sex hormones -- estrogen and testosterone -- may be affected by contaminants in some U.S. streams, according to a report released today by the U.S. Geological Survey.

Date published: April 25, 1997

Scientists to Dye River Red to Study Fish Loss

The lower San Joaquin River and south delta will take on a slight blush Monday afternoon, April 28, as scientists from the U.S. Geological Survey tint the river with a dye tracer. The non-toxic red dye, Rhodamine WT, will help USGS scientists track the movements of fish in the river and determine the effects of a fish barrier at the head of the Old River near Tracy.

Date published: April 25, 1997

Tracking The Red River Northward

As the unprecedented floodwaters of the Red River slowly begin to subside in Grand Forks, N. Dak., crews from the U.S. Geological Survey are tracking the northward movement of the water, taking measurements to help improve forecasts of the flood for evacuations upstream.

Date published: April 25, 1997

Three Large Earthquakes Shake In Little More Than 24 Hours

Floods were not the only natural hazard on the world stage in recent days with three large earthquakes occurring within hours of each other, according to the U.S. Geological Survey.

Date published: April 23, 1997

Current Flooding in North Dakota Exceeds All Previous North Dakota Floods By Far

The current floods in North Dakota far exceed previous floods that occurred in 1950, 1969, 1978, 1979 and 1996, according to the U.S. Geological Survey.

Date published: April 23, 1997

Guam Earthquake

An earthquake with a preliminary magnitude of 6.3 occurred about 55 miles north of Guam in the Pacific Ocean, Wed., April 23, 1997, according to the U.S. Geological Survey.

Date published: April 22, 1997

Flow of Red River Sets Official 100-Year Record

The flow of the Red River officially broke the 100-year-old record on Thurs. April 17, 1997, according to the U.S. Geological Survey.

Date published: April 22, 1997

Trinidad Earthquake, April 22, 1997

An earthquake with a preliminary magnitude of 6.5 occurred Tues., April 22, 1997, about 35 miles off the coast of Trinidad, according to the U.S. Geological Survey.

Date published: April 15, 1997

USGS Research Projects Featured at CSUS Open House

Peat soils in the Sacramento-San Joaquin Delta and their relationship to water quality; the history and consequences of long-term groundwater use in the Mojave Desert; the hydrology, biology and geology of San Francisco Bay; 

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Date published: April 15, 1997

Low Levels of Gasoline Additive in Urban Stormwater and Ground Water a Key Topic at Chemical Society Meeting in San Francisco

Methyl tert-butyl ether (MTBE) and its potential effects on air and water quality were the focus of a session Wed. and Thurs, April 16-17, 1997, at the American Chemical Society annual meeting in San Francisco, California. U.S. Geological Survey scientists will report on several studies of the occurrence and distribution of this compound in surface water and ground water during the session.

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