Search Results for the EPA National Library Catalog

Items Found: 2818
Showing: Items 1801 - 1850
Your Search: (SUBJECT=North America)


 
 
 
PREV 1 ... 32 33 34 35 36 37 38 39 40 41 42 ... 57 NEXT
Select Item Title Year Published
Potential genotoxicity of sediments from the Great Lakes / 1992
Potential impact of changes in Great Lakes water quality on fisheries / 1980
Practical steps to implement an ecosystem approach in Great Lakes management / 1995
Prairie conservation preserving North America's most endangered ecosystem / 1996
Predevelopment water-level map of the Santa Fe Group aquifer system in the middle Rio Grande Basin between Cochiti Lake and San Acacia, New Mexico / 2001
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Predicting future introductions of nonindigenous species to the Great Lakes / 2008
Prediction of sediment toxicity using consensus-based freshwater sediment quality guidelines / 2000
Preferred areas for reduced tillage technical assistance programs in the United States drainage to Lake Erie / 1979
Prehistoric peoples of Maryland's coastal plain / 1979
Preliminary assessment of the significance of wind erosion as a nonpoint source of pollution in the U.S. Great Lakes basin 1981
Preliminary evaluation of chemical migration to groundwater and the Niagara River from selected waste-disposal sites / 1986
Preliminary investigation of selected water quality conditions in the Lower Colorado River : Parker Dam to Morelos Dam and Mexican canal system / 1963
Preliminary report of the Advisory Board on Water Pollution, Rainy River and Lake of the Woods to the International Joint Commission, United States and Canada, on the pollution of international boundary waters, 1960-1962 investigations, Rainy River and Lake of the Woods, Minnesota and Ontario. 1962
Preliminary results of the 1978-1979 Lake Erie intensive study : phytoplankton / 1981
Preparing successful grant proposals. 1997
Prescription for Great Lakes ecosystem protection and restoration : avoiding the tipping point of irreversible changes. 2005
Present and reference concentrations and yields of suspended sediment in streams in the Great Lakes region and adjacent areas / 2006
Presented papers from the Council of Lake Committees Plenary Session on Great Lakes predator-prey issues, March 20, 1985 / 1985
Prevention and control of wildlife damage / 1994
Priorities - FY 1982 : approved by the GLBC May 21, 1980. 1980
Priorities and progress under the Great Lakes Water Quality Agreement. 0
Priorities for Great Lakes coastal wetlands research : proceedings of a conference held at Old Woman Creek National Estuarine Research Reserve, Huron, Ohio, 20-21 October 1989 / 1990
Problem effects, Great Lakes region, activity 3 : 1975 national water assessment. 1977
Problems associated with dredging operations on the St. Lawrence : situation, methods and priority areas for research / 1985
Procedures for the assessment of contaminated sediment problems in the Great Lakes / 1988
Procedures manual : Field Operations Section Detroit River-Lake Erie project 1962-1964. 1965
Procedures manual, Detroit River - Lake Erie project, laboratory section. 1965
Procedures manual, engineering evaluation section, Detroit River - Lake Erie project. 1964
Proceedings / 1963
Proceedings : Great Lakes-St. Lawrence Seaway Winter Navigation Seminar, Detroit, December 5-6, 1972. 1973
Proceedings : third Meeting in the Matter of Pollution of Lake Erie and its Tributaries : Cleveland, June 22, 1966. 1966
Proceedings from the Regional Lake Management Conference, June 10-12, 1991, Des Moines, IA / 1991
Proceedings of keeping it on the land. . . and out of the water! : soil erosion and sediment control opportunities for the Great Lakes basin. 1998
Proceedings of Stormwater and Water Quality Model Users Group Meeting, January 31-February 1, 1985 / 1985
Proceedings of the 1997 Great Lakes endocrine disrupters symposium / 1997
Proceedings of the 1998 Children at Risk Conference : environmental health issues in the Great Lakes region : July 8 and 9, 1998, the Regal Knickerbocker Hotel, Chicago, Illinois / 1998
Proceedings of the Action Seminar on Acid Precipitation, held November 1, 2, and 3, 1979, Toronto, Ontario, Canada. 1980
Proceedings of the conference, held May 15 and 16, 1961, by De Paul University, Chicago, Illinois : to focus additional public attention on the problems and solutions involved in keeping our water supply usable, now and in the years ahead. 1961
Proceedings of the Eighteenth Annual Pacific Climate Workshop : Asilomar Conference Grounds, Pacific Grove, California, March 18-21, 2001 / 2002
Proceedings of the EPA-OECD International Conference on Long-range Transport Models for Photochemical Oxidants and Their Precursors : April 12-14, 1983; Environmental Research Center; Research Triangle Park, North Carolina / 1984
Proceedings of the fifth annual Ecological Quality Assurance Workshop, October 14-15,1992. 1992
Proceedings of the First Federal Conference on the Great Lakes, (1st) : held at Ann Arbor, Michigan, December 13-15, 1972. 1976
Proceedings of the Forest Products Study Group workshop : held at the Forest Products Society annual meeting, June 23, 1998, Merida, Yucatan, Mexico. 1998
Proceedings of the Fourteenth Annual Pacific Climate (PACLIM) Workshop : Asilomar, California, April 6-9, 1997 / 1998
Proceedings of the Mass Balance Workshop, Kempenfelt Conference Centre, Barrie, Ontario, March 7-9, 1990 : a report to the Surveillance Subcommittee by the Mass Balance Workshop Steering Committee / 1991
Proceedings of the Ninth Annual Pacific Climate (PACLIM) Workshop Asilomar, California, April 21-24, 1992 / 1993
Proceedings of the North American Conference on Barrens and Savannas at Illinois State University, Normal, Illinois, October 15-16, 1994 / 1994
Proceedings of the Roundtable on Contaminant-Caused Reproductive Problems in Salmonids / 1990
Proceedings of the Roundtable on the Surveillance and Monitoring Requirements for Assessing Human Health Hazards Posed by Contaminants in the Great Lakes Basin Ecosystem : held March 17-18, 1982, East Lansing, Michigan / 1982
PREV 1 ... 32 33 34 35 36 37 38 39 40 41 42 ... 57 NEXT

Save, Print or Email Selected Records