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Select Item Title Year Published
  1 1968 National Survey of Community Solid Waste Practices. Region 2. Delaware, New Jersey, New York: Volume 1. 1969
  2 1970 census of population number of inhabitants, Delaware / 1971
  3 1978 Atlantic 3800-meter radioactive waste disposal site survey : sedimentary, micromorphologic and geophysical analyses {microform} / 1983
  4 1980 census of population and housing. Delaware Summary characteristics for governmental units and standard metropolitan statistical areas : 1982
  5 1980 census of population. 1982
  6 1980 census of population. 1982
  7 1986 Delaware water quality inventory report to Congress through the U.S. Environmental Protection Agency : pursuant to section 305(b) P.L. 95-217 / 1986
  8 1988 Delaware water quality inventory 1988
  9 1990 census of population and housing Summary population and housing characteristics. Delaware. 1991
  10 1990 census of population and housing Summary social, economic, and housing characteristics. Delaware. 1992
  11 1990 Delaware water quality inventory 305(b) report 1990
  12 1992 census of agriculture Geographic area series. 1993
  13 2003 Delaware Estuary water education resource guide 2002
  14 A Day in the life of Delaware's forgotten bay : a scientific survey of Little Assawoman Bay / 1991
  15 A key to the Delaware estuary ecological systems and natural communities : version I. 2006
  16 A Landscape assessment of the Catskill/Delaware watersheds 1975-1998 : New York City's water supply watersheds / 2002
  17 A Study of the relevant incineration technologies and air pollution control devices for the Delaware sand and gravel landfill / 1990
  18 A water quality modelling study of the Delaware Estuary / 1978
  19 AAA Mid-Atlantic tourbook. 0
  20 Adaptation of J. R. Hunters one-dimensional model to the Chesapeake and Delaware Canal system 1978
  21 Addendum, water quality management plan, lower Delaware area 1979
  22 Adjustments to U.S. Geological Survey peak-flow magnitude-frequency relations in Delaware and Maryland following Hurricane Floyd, September 1999 / 2002
  23 Adjustments to U.S. Geological Survey peak-flow magnitude-frequency relations in Delaware and Maryland following Hurricane Floyd, September 1999 [electronic resource] / 2002
  24 Ages of the Bethany, Beaverdam, and Omar formations of southern Delaware 1990
  25 Air pollution regulations in state implementation plans : Delaware / 1978
  26 Air pollution survey report. 1968
  27 Air Pollution Survey. Report 1. Air Pollution Emissions in the Delaware Valley for 1965. 1968
  28 Air Pollution Survey. Report 2. Meteorology and Air Pollution in the Delaware Valley. 1967
  29 Air Pollution Survey. Report 2. Meteorology and Air Pollution in the Delaware Valley. 1967
  30 Air Pollution Survey. Report 3. Governmental Aspects, the Government Studies Center. 1968
  31 Alterations in the Hydrologic Cycle Induced by Urbanization in Northern New Castle County, Delaware: Magnitudes and Projections. 1974
  32 Alternative growth management techniques. 1976
  33 Altitude and configuration of the water-level surface in lower Paleozoic and Precambrian crystalline rocks in the Red Clay Creek Basin, Chester County, Pennsylvania, and New Castle County, Delaware, June through October 1989 and March 1990 1991
  34 Ambient toxicity study of the Delaware River Estuary : phase I. 1991
  35 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries. 2004 Addendum. 2004
  36 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries: 2007 Chlorophyll Criteria Addendum. 2007
  37 Ambient Water Quality Criteria for Dissolved Oxygen, Water Clarity and Chlorophyll 'a' for the Chesapeake Bay and Its Tidal Tributaries: 2010 Technical Support for Criteria Assessment Protocols Addendum. 2010
  38 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for Chesapeake Bay and its tidal tributaries : 2007 addendum / 2007
  39 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for Chesapeake Bay and its tidal tributaries {microform} / 2003
  40 Ambient water quality criteria for dissolved oxygen, water clarity and chlorophyll a for the Chesapeake Bay and its tidal tributaries : 2008 technical support for criteria assessment protocols addendum / 2008
  41 Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria : lakes and reservoirs in nutrient ecoregion XIV : Eastern Coastal plain including all or parts of the states of South Carolina ... Maine and the authorized Tribes within the ecoregion. {microform} : 2001
  42 Ambient water quality criteria recommendations information supporting the development of state and tribal nutrient criteria for lakes and reservoirs in nutrient ecoregion XIV : eastern coastal plain including all or parts of the states of South Carolina, North Carolina, Georgia, Virginia, Maryland, Delaware, New Jersey, New York, Connecticut, Rhode Island, Massachusetts, New Hampshire, and Maine, and the authorized tribes within the ecoregion. [electronic resource] : 2001
  43 Amend the Wild and Scenic Rivers Act in Connecticut and New Jersey; increase pipeline in Delaware; amend the National Historic Preservation Act; and evaluate coastal region in Delaware hearing before the Subcommittee on National Parks of the Committee on Energy and Natural Resources, United States Senate, One Hundred Ninth Congress, first session, on S. 435, S. 1096, S. 1310, S. 1378, S. 1627, September 22, 2005. {electronic resource} : 2006
  44 Analysis of critical habitat requirements for restoration and growth of submerged vascular plants in the Delaware and Maryland coastal bays / 1997
  45 Analysis of Operation 'Deep Six' Benthic Invertebrates. 1975
  46 Analysis of stream-temperature variations in the Upper Delaware River Basin, New York, 1971
  47 Analytical studies for assessing the impact of sanitary sewage facilities of Delaware Co., Ohio / 1975
  48 Analytical Studies for Assessing the Impact of Sanitary Sewage Facilities of Delaware Co., Ohio. 1975
  49 Andes quadrangle New York - Delaware County / map : 1982
  50 Annual report 1963
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