Unified Interior Regions

Region 9: Columbia-Pacific Northwest

Regions L2 Landing Page Tabs

Filter Total Items: 1,019
August 26, 2013

D2 West Transect – 2013

Permanent Site: D2 West Transect; Depth: 11.9 Meters (39.0 Feet); Distance from river mouth: 0.3 Kilometers (0.2 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15233001,-123.56896603; Site Description: This site is right off the mouth of the river. Substrate is mainly gravel with some sand and cobble. Woody debris is seen (2:13 seconds). No live

August 16, 2013

H1 East Transect – 2013

Permanent Site: H1 East Transect; Depth: 5.4 Meters (Feet 17.8); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.1479177,-123.53472865; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites. Substrate is still

August 16, 2013

J1 West Transect – 2013

Permanent Site: J1 West Transect; Depth: 9.3 Meters (30.5 Feet); Distance from river mouth: 6.6 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13607725,-123.48002186; Site Description: This site is medium depth. Substrates has remained mainly a gravel/sand mixture. Seaweed density is still greatly decreased. Five species of brown

August 16, 2013

H1 West Transect – 2013

Permanent Site: H1 West Transect; Depth: 5.9 Meters (Feet 19.2); Distance from river mouth: 2.4 Kilometers (1.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.14803012,-123.53535558; Site Description: This is a shallow site and one of the farthest removed from the effects of the sediment plume outside of the control sites. Substrate is still

August 16, 2013

J1 East Transect – 2013

Permanent Site: J1 East Transect; Depth: 9.1 Meters (30.0 Feet); Distance from river mouth: 6.7 Kilometers (4.1 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.13607725,-123.47935008; Site Description: This site is medium depth. Substrates has remained mainly a gravel/sand mixture. Seaweed density is still greatly decreased. Four species of brown

August 15, 2013

GP2 West Transect – 2013

Permanent Control Site: GP2 West Transect; Depth: 12.3 Meters (40.4 Feet); Distance from river mouth: 18.8 Kilometers (11.6 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.12781102,-123.31712832; Site Description: This site was established as the eastern control. Substrate is mainly a gravel/sand/cobble mixture surrounding boulders. Red, green and

August 15, 2013

GP1 West Transect – 2013

Permanent Control Site: GP1 West Transect; Depth: 7.7 Meters (25.3 Feet); Distance from river mouth: 19.0 Kilometers (11.8 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.11852521,-123.31605203; Site Description: This site was established as the eastern control. Depth is medium-shallow. Substrate is mainly a gravel/sand/cobble mixture surrounding

August 14, 2013

E2 East Transect – 2013

Permanent Site: E2 East Transect; Depth: 14.9 Meters (48.8 Feet); Distance from river mouth: 0.9 Kilometers (0.5 Miles) east; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15653002,-123.56130401; Site Description: This is one of our deeper sites. Substrate is mainly gravel/cobble with an occasional boulder. Seaweed is absent. Featherduster tubes worms (

August 14, 2013

4SP1 East Transect – 2013

Permanent Site: 4SP1 - East Transect; Depth: 5.9 Meters (19.3 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15257, -123.556704; Site Description: The former gravel/cobble substrate has been completely buried in sand. No live seaweeds are present. Only the bare stalks from the perennial kelp

August 13, 2013

D1 West Transect – 2013

Permanent Site: D1 West Transect; Depth: 5.9 Meters (19.5 Feet); Distance from river mouth: 0.2 Kilometers (0.1 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15115998,-123.56801602; Site Description: This site is right off the mouth of the river and is actively being buried. This was the last year the site could be scuba surveyed. Depth on this

August 13, 2013

C2 East Transect – 2013

Permanent Site: C2 East Transect; Depth: 15.9 Meters (Feet 52.2); Distance from river mouth: 0.7 Kilometers (0.4 Miles); Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.147841,-123.57596074; Site Description: One of our deepest sites. Substrate is all muddy sand. Seaweed is absent. Featherduster tubeworms, mainly Eudistylia vancouveri (0:35 seconds) and

August 13, 2013

4SP1 West Transect – 2013

Permanent Site: 4SP1 - West Transect; Depth: 6.2 Meters (20.5 Feet); Distance from river mouth: 0.8 Kilometers (0.5 Miles) East; Pre/Post Dam Removal: 2 years post-dam removal; Lat/Long: 48.15257, -123.557376; Site Description: The former gravel/cobble substrate has almost been completely buried in sand. Between 0:29 – 0:37 seconds a small section of the former gravel/

Filter Total Items: 439
USGS
May 14, 1997

On Saturday, May 17, 1997, representatives of the U.S. Forest Service, the U.S. Geological Survey and the State of Washington will gather on a ridge on the north slope of Mount St. Helens to dedicate the "Johnston Ridge Observatory of the Mount St. Helens National Volcanic Monument."

USGS
April 11, 1997

As part of a continuing expanded partnership with private industry, the U.S. Geological Survey has contracted with NIES Mapping Group, Inc., of Bellevue, Wash., to produce digital orthophoto quadrangles.

USGS
February 13, 1997

China and Indonesia suffered the deadliest and most destructive earthquakes in 1996, while the U.S. remained relatively quiet according to scientists at the U.S. Geological Survey, Department of the Interior. The last deadly earthquake in the U.S. was the 1994 Northridge, Calif., quake that took 60 lives.

USGS
February 12, 1997

A special symposium, "Integrating Watershed Ecosystem Studies for Improved Natural Resource Management" will be presented in Seattle, WA, on February 15 as part of the annual meeting of the American Association for the Advancement of Science (AAAS).

USGS
January 3, 1997

The floods have crested and are beginning to recede in most places in the Pacific Northwest. Nevertheless dozens of U.S. Geological Survey personnel, who were busy over the holidays measuring the high streamflows and keeping river stage monitors operating, are still busy in the field and in their offices. Field crews have been hampered by mudslides, road closures, and extremely dangerous condition

USGS
December 12, 1996

An earthquake generated by two tectonic plates sliding past one another in the Pacific Northwest could be as large as magnitude 9, according to scientists with the U.S. Geological Survey.

USGS
September 9, 1996

Measurements of the volume and rate of flows of the flooding Potomac River will be made on the 14th St. Bridge beginning at about 10:30 a.m. Monday (Sept. 9, 1996) by the U.S. Geological Survey. Measuring efforts by the USGS using special cranes and weights will continue for several hours.