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State
Level III Ecoregions recent views
State of Oregon —
Ecoregions denote areas of general similarity in ecosystems and in the type quality, and quantity of environmental resources. The ecoregions shown here have been... -
State
Flow Direction recent views
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
Dam Facilities recent views
State of Oregon —
This data layer is an element of the Oregon GIS Framework. Large dams are defined by a dam height >= 10 feet and storage of >= 9.2 acre feet. These larger dams... -
State
Tidal Wetlands 1970s recent views
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... -
State
Radon Data recent views
State of Oregon —
The polygons in this feature class are geologic map units assigned a radon potential rank, based on three major geologic factors: geologic materials, aerial... -
State
Oregon Channel Migration recent views
State of Oregon —
Channel migration is the natural process by which streams move laterally over time. It is typically a gradual phenomenon that works over many years to effect... -
State
Waterbody - Small Scale recent views
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
Waterbody - Large Scale recent views
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
Cold Water Habitat Sites recent views
State of Connecticut —
Cold water habitat was determined using available fish and water temperature data collected by the CT DEEP Monitoring and Assessment and Inland Fisheries Programs.... -
State
Protected Open Space View recent views
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
Critical Habitats recent views
State of Connecticut —
See full Data Guide here.Connecticut Critical Habitats is a polygon feature-based layer with a resolution of +/- 10 meters that represents significant natural... -
State
Point Event recent views
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
Coastal Boundary Polygon recent views
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 recent views
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
1997 Municipal and Private Open Space recent views
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... -
State
Area - Large Scale recent views
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
DEEP Fisheries Stream Survey Points recent views
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
Tidal Wetlands 1990s recent views
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...