Nutrient concentrations and loads in the northeastern United States : status and trends, 1975-2003

by Trench, Elaine C. Todd,
Published: U.S. Department of the Interior, U.S. Geological Survey, 2012

Ground-water resources of Rhode Island

by Trench, Elaine C. Todd.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Books and Open-File Reports Section [distributor], 1991

Water-quality trend analysis and sampling design for streams in Connecticut, 1968-98

by Trench, Elaine C. Todd.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Branch of Information Services [distributor], 2002

Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins

by Trench, Elaine C. Todd.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2000

Sources of geologic and hydrologic information pertinent to ground-water resources in Rhode Island

by Trench, Elaine C. Todd.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Earth Science Information Center, Open-File Reports Section [distributor], 1995

Surface-water quality information in Connecticut : answering key scientific and management questions

by Trench, Elaine C. Todd.
Published: U.S. Geological Survey, 1998

Nutrient sources and loads in the Connecticut, Housatonic, and Thames River basins

by Trench, Elaine C. Todd,
Published: U.S. Deptartment of the Interior, U.S. Geological Survey, 2000

Trends in surface-water quality in Connecticut, 1969-88

by Trench, Elaine C. Todd,
Published: U.S. Geological Survey, 1996

Analysis of phosphorus trends and evaluation of sampling designs in the Quinebaug River basin, Connecticut

by Trench, Elaine C. Todd.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor], 2004

Trends in surface-water quality in Connecticut, 1969-88

by Trench, Elaine C. Todd.
Published: U.S. Geological Survey, 1997

Water-quality trend analysis and sampling design for streams in Connecticut, 1968-98

by Trench, Elaine C. Todd,
Published: U.S. Deptartment of the Interior, U.S. Geological Survey, 2002

Nutrient enrichment, phytoplankton algal growth, and estimated rates of instream metabolic processes in the Quinebaug River basin, Connecticut, 2000-2001

by Colombo, Michael J.
Published: U.S. Dept. of the Interior, U.S. Geological Survey, 2004

Hydrogeology, water quality, and ground-water development alternatives in the lower Wood River ground-water reservoir, Rhode Island

by Dickerman, David C.
Published: U.S. Dept. of the Interior, Geological Survey ; Open-File Services Section, Western Distribution Branch, 1990

Trends in surface-water quality in Connecticut, 1989-98

by Colombo, Michael J.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; U.S. Geological Survey, Information Services [distributor], 2002

Hydrogeology, water quality, and ground-water development alternatives in the lower Wood River ground-water reservoir, Rhode Island

by Dickerman, David C.,
Published: U.S. Geological Survey, 1990

Estimation of nitrogen yields and loads from basins draining to Long Island Sound, 1988-98

by Mullaney, John R.
Published: U.S. Dept. of the Interior, U.S. Geological Survey ; Branch of Information Services [distributor], 2002