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## By Year

State News Release        May 1, 2024        U.S. Geological Survey and U.S. Fish and Wildlife Service Joint News Release: Native forest bird population declines within the Big Island National Wildlife Refuge Complex 

State News Release        December 7, 2022        Population declines in Alaska beluga whale population may be linked to low birth and survival rates

State News Release        October 28, 2021        Groundwater Flow to Colorado River May Decline by a Third over Next 30 Years

State News Release        December 21, 2016        Declining Male Offspring Further Imperil Endangered Flycatchers in Southern California

State News Release        August 18, 2016        Water Levels Declining in Areas Along San Pedro River near Sierra Vista, Arizona

State News Release        September 27, 2017        Levels of Possible Human Carcinogen Declining in Most Wells in Tucson International Airport Superfund Site

map        January 1, 1993        The magnetic field of the Earth, 1990: Declination chart

map        January 1, 1988        The magnetic field of the earth— 1985: Declination chart

map        January 1, 1983        The magnetic field of the earth, 1980 magnetic declination

map        January 1, 1981        Magnetic declination in the United States; epoch 1980

map        January 1, 1975        Magnetic declination in the United States; epoch 1975.0

State News Release        December 16, 2014        High Plains Aquifer Groundwater Levels Continue to Decline

map        January 1, 1992        The magnetic field in the United States, 1990: Declination chart

map        January 1, 1988        The magnetic field in the United States, 1985: Declination chart

State News Release        June 29, 2015        Declining Water Levels Pose Challenges for Eastern Idaho Aquifer Monitoring

State News Release        January 20, 2014        Sea Ice Decline and Permafrost Thaw Create Goose Habitat in Arctic Alaska

State News Release        July 25, 2022        USGS Study Suggests Atlantic Sturgeon Spawning Population Declined by More Than 99% in the Delaware River Since the Late 1800s

State News Release        October 8, 2014        Groundwater-Level Declines Continue to Cause Land Elevation Loss in Houston – Galveston Region

State News Release        February 8, 2024        New study demonstrates how climate and irrigation influence salinity of waters in the Upper Colorado River Basin

State News Release        November 1, 2022        Without Sea Ice, More Polar Bears Spend Time Onshore, Increasing Potential for Human Interaction

map        August 3, 2023        Estimating streambed hydraulic conductivity for selected streams in the Mississippi Alluvial Plain using continuous resistivity profiling methods—Delta region

map        June 15, 2023        Potentiometric surface map of the Southern High Plains aquifer in the Cannon Air Force Base area, Curry County, New Mexico, 2020

State News Release        September 22, 2015        New Tools and Knowledge to Aid in Columbia Plateau Groundwater Management

State News Release        June 10, 2014        Land-Subsidence Trends in the Coachella Valley Detailed in New Report

State News Release        June 10, 2014        Land-Subsidence Trends in the Coachella Valley Detailed in New Report

State News Release        July 27, 2015        Breeding Bird Distribution Affected by Wind Turbines in the Dakotas

State News Release        March 25, 2015        Home on the California Range, Year 2100: Land Use and Climate Change Could Impact Wildlife, Water Supplies

State News Release        September 19, 2014        USGS Model Provides Insight into Snake Valley’s Groundwater

State News Release        February 27, 2017        40-year trend study finds signs of improved water quality in New Jersey streams

map        June 20, 2019        Geostatistical estimation of the bottom altitude and thickness of the Mississippi River Valley alluvial aquifer

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