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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
Wildlife Management Units
State of Oregon —
These areas are called wildlife units. Whenever reference is made to a wildlife unit by name or designated number in any rule of the department, the area description... -
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... -
State
ArchaeologyGrid
State of Connecticut —
This layer denotes the presence of archaeology sites utilizing a grid based on the U.S. National Grid (10,000 m) divided into nine sections per 10,000 m grid. The red... -
State
Area - Small Scale (HI, PR, VI, Pacific Territories)
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
Soils Inland Wetland
State of Connecticut —
The State of Connecticut defines inland wetlands based on soils. The Connecticut Inland Wetlands and Watercourses Act defines wetland soils to include any of the soil... -
State
Stream Gages
State of Oregon —
The Water Resources Department operates more than 200 stream and reservoir gages throughout the state. More than 160 of these gages are operated as near real-time.... -
State
quad rivermiles
State of Oregon —
River mile locations from the USGS' 7.5' quad maps. Attributes include the stream name and the OWRD stream code. -
State
Line - 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
National Register District
State of Connecticut —
The boundaries of the district polygons are both modified and unmodified pre-existing polygons provided by NPS and SHPO, as well as new, previously unmapped... -
State
16-digit HU NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
6-digit HU (Basin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
14-digit HU NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
4-digit HU (Subregion) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
2-digit HU (Region) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
Portable Count Stations
State of Connecticut —
A collection of layers maintained by the Traffic Monitoring Unit. -
State
Above Ground Resources
State of Connecticut —
These points are directly sourced from the National Historic Landmarks, National Register, State Register, Local Historic Districts, Local Historic Places, Historic...