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State
National Hydrography Dataset
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
State
Oregon Statewide Flood Hazard Database - Other Flood Studies - 2015
State of Oregon —
This is a dataset download, not a document. The Open button will start the download.This data layer is an element of the Oregon GIS Framework. This feature dataset... -
State
Coastal Boundary Polygon
State of Connecticut —
Coastal Area & Boundary Polygon: The Coastal Area layer is a 1:24,000-scale, polygon feature-based layer that includes the land and waters that lie within the... -
State
Flowline - Large Scale
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
University
GNIS: Historic Features
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) actively seeks data from and partnerships with Government agencies at all levels and other interested organizations.... -
State
Area - Small Scale
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
University
GNIS: Airports (2013)
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board... -
University
GNIS: Oilfields, Mines, Dams, Towers, Man-made structures
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) actively seeks data from and partnerships with Government agencies at all levels and other interested organizations.... -
State
1997 Municipal and Private Open Space
State of Connecticut —
Municipal and Private Open Space Property contains parcels owned by municipalities, land trusts and other private entities throughout the state. Generally, these... -
University
GNIS: Physical Features (2013)
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) is the Federal standard for geographic nomenclature. The U.S. Geological Survey developed the GNIS for the U.S. Board... -
State
Area - Large Scale
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
State
Federal Open Space
State of Connecticut —
See full Data Guide here. Federal Open Space is a polygon feature-based layer that includes land owned in either easement or fee simple interest by the federal... -
Federal
Tualatin NWRC: Invasive Plant Inventory - Grid-based: Survey Grid (50 x 50 m) for Conducting Field-based Invasive Plant Surveys
Department of the Interior —
This dataset was created to facilitate field-based invasive plant surveys. Each grid-cell constitutes a possible survey area within which a field surveyor documents... -
State
DEEP Fisheries Stream Survey Points
State of Connecticut —
Fisheries Stream Survey Site includes points along streams which have been surveyed for a variety of characteristics relative to fish habitat. This datalayer includes... -
State
Protected Open Space View
State of Connecticut —
See full Data Guide here. This layer includes polygon features that depict protected open space for towns of the Protected Open Space Mapping (POSM) project, which is... -
State
Tidal Wetlands 1990s
State of Connecticut —
In 1995 it was recognized that current Connecticut tidal wetland boundary information was critical to ensure the appropriate management and protection of the tidal... -
State
Environmental Sensitivity Index 2002 Lines
State of Connecticut —
Environmental Sensitivity Index 2002 Set: This data set contains vector lines representing the shoreline and coastal habitats of Connecticut classified according to... -
University
GNIS: Water Features
Earth Data Analysis Center, University of New Mexico —
The Geographic Names Information System (GNIS) actively seeks data from and partnerships with Government agencies at all levels and other interested organizations.... -
State
Flow Direction
State of Oregon —
The National Hydrography Dataset (NHD) is a feature-based database that interconnects and uniquely identifies the stream segments or reaches that make up the nation's... -
State
Tidal Wetlands 1970s
State of Connecticut —
Tidal Wetlands 1970's represents the historic regulatory tidal wetland boundaries produced during the early 1970's by the State of Connecticut Department of...