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State
Level III Ecoregions
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
Oregon Land Management
State of Oregon —
Polygons delineating Federal, Tribal, State, and Local government land ownership/management at a scale of 1:24,000 within Oregon. The Ownership Land Management... -
State
ODOT Life Lines
State of Oregon —
This data set depicts Oregon state highways that have been identified as tier 1, 2, or 3 seismic lifelines and identifies seismic lifelines for implementation of... -
State
Unimproved Roads
State of Connecticut —
A custom basemap created for internal Connecticut Department of Transportation in web apps and maps.The basemap represents the most recent and active Public Road... -
State
Dam Facilities
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
Wellhead Protection Areas - Adjacent State
State of Connecticut —
See full Data Guide here. Aquifer Protection Areas Set is a 1:24,000-scale, polygon feature-based layer that includes all Preliminary (Level B) and Final (Level A)... -
State
Connecticut Airports
State of Connecticut —
Airports Polygon is a 1:24,000-scale, feature-based layer that includes all airport features depicted on all of the U.S. Geological Survey (USGS) 7.5 minute... -
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
Council Of Governments Boundaries
State of Oregon —
Boundaries for Oregon's Councils of Governments. Note, this dataset does not include Portland Metro's boundary since Metro is not a COG, but a metropolitan service... -
State
DEEP Boat Launches
State of Connecticut —
Connecticut DEP Boat Lauch is a point feature-based layer that includes all DEP boat lauch locations in the State of Connecticut. Types of boat launce in this layer... -
State
Broadband Data by Block - 2023
State of Connecticut —
This feature layer includes all data available at the block level - no adoption data is available at this level.-------The Connecticut Broadband Availability and... -
State
Non-Federal Lands within Wilderness
State of Oregon —
Wilderness areas are federally-owned public lands managed by the federal government through four agencies, the Bureau of Land Management, Fish and Wildlife Service,... -
State
Vegetation Line (Coastal)
State of Oregon —
This map is designed to be used as a reference for the purpose of identifying lands subject to the Oregon Department of Parks and Recreation's authority to regulate... -
State
Natural Diversity Database
State of Connecticut —
See full Resource Data Guide here.Abstract: The Natural Diversity Database Areas is a 1:24,000-scale, polygon feature-based layer that represents general locations of... -
State
2020 Census Block
State of Oregon —
This data layer is an element of the Oregon GIS Framework. The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and... -
State
Soils All Soils
State of Connecticut —
This data set is a digital soil survey and generally is the mostdetailed level of soil geographic data developed by the NationalCooperative Soil Survey. The... -
State
EPCRA Tier 2 Facilities
State of Connecticut —
Submission of Tier II form is required under Section 312 of the Emergency Planning and Community Right-to-Know Act of 1986 (EPCRA). The purpose of this form is to... -
State
Air Quality Maintenance Area Carbon Monoxide
State of Oregon —
This polygon layer contains a spatial representation of geographic areas that are designated as Air Quality Maintenance Areas and Nonattainment Areas for the criteria... -
State
Oregon Land and Water Conservation Fund (LWCF) 6F Boundaries
State of Oregon —
Approximate spatial location of current LWCF 6f boundaries in Oregon. Oregon Parks and Recreation Department (OPRD) has made significant efforts to ensure the... -
State
Waterbody - 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...