-
County
USGS Blue Line Streams
Wake County —
Blue-line stream means that a stream appears as a broken or solid blue line (or a purple line) on a USGS topographic map. Definition from NCDENR Water Resources... -
State
Surface Water Quality Lines
State of Connecticut —
See full Data Guide here. Surface Water Quality Classifications Set: This dataset is a line and a polygon feature-based layer compiled at 1:24,000 scale that includes... -
County
Renewable Energy Use at Loudoun County Facilities
Loudoun County, Virginia —
Solar: County facilities have a total of 49 kW of solar capacity. The solar arrays generate power to operate the facility as well as produce income from Renewable... -
City
ECA - Steep Slope
City of Seattle —
Displays areas with 40% steep slope or greater in the City of Seattle. A polygon feature class showing areas with an incline of 40% or more (10 feet of vertical rise... -
City
ECA - Liquefaction Prone Area
City of Seattle —
Displays areas with liquefaction zones. A polygon feature class that shows liquefaction zones. Used to implement and regulate the City of Seattle's Environmentally... -
City
Historic Land Use Data
City of New York —
Historic land uses on lots that were vacant, privately owned, and zoned for manufacturing in 2009. Information came from a review of several years of historical... -
State
Geologic Map Index of Alaska
State of Alaska —
The Geologic Map Index of Alaska (Map Index) is a GIS web feature service paired with an interactive web map application that provides access to an actively growing... -
State
305b Assessed 2006 Estuary
State of Connecticut —
305b Assessed 2006 River, Lake, Estuary Set: Connecticut 305b Assessed River 2006 is a 1:24,000-scale, line feature-based layer that includes rivers that have been... -
State
Tsunami inundation maps for Skagway and Haines, Alaska
State of Alaska —
In this report we evaluate potential tsunami hazards for the southeastern Alaska communities of Skagway and Haines and numerically model the extent of inundation from... -
State
Photogrammetry-derived historical orthoimagery for Homer, Alaska from 1951, 1952, 1964, and 1985
State of Alaska —
The State of Alaska Division of Geological & Geophysical Surveys (DGGS) used Structure-from-Motion (SfM) photogrammetry to produce orthoimagery for the City of... -
State
Lidar-derived elevation data for Columbia Glacier terminus and adjacent slope, Southcentral Alaska, collected September 18, 2022
State of Alaska —
Lidar-derived elevation data for Columbia Glacier terminus and adjacent slope, Southcentral Alaska, collected September 18, 2022, Raw Data File 2023-16, provides an... -
County
Loudoun Soil Point Features
Loudoun County, Virginia —
More MetadataAbstract: The soil spot points, or map symbols layer is a subset of the soils map. Spot points are isolated areas within a symbol that are designated... -
State
Shellfish Area Marina
State of Connecticut —
Shellfish Area Classification Set: The Connecticut Department of Environmental Protection cooperated with the Department of Agriculture, Bureau of Aquaculture to... -
State
Alaska Weather Observation Network
State of Alaska —
Alaska Weather Observation Network, Digital Data Series 25, provides access to current and archived observations of hydrometeorological variables collected at weather... -
State
Shoreline change at Alaska coastal communities, Toksook Bay, Alaska
State of Alaska —
The Division of Geological & Geophysical Surveys has analyzed long-term shoreline change at 48 Alaska communities. Shoreline datasets were compiled from... -
County
Geology - Diabase Dikes
Wake County —
Polylines representing the dikes, folds and cross sections for the Caldwell 7.5-minute quadrangle, North Carolina Diabase dike - inferred - Diabase: Black to... -
State
Impaired 2020 River, Lake, Estuary Set
State of Connecticut —
Connecticut 303(d) Impaired Waters 2020 is a subset of Connecticut 305(b) Assessed Waters 2020. If any one of the assigned designated uses is categorized as NOT... -
State
Tephra occurrence in Alaska: a map-based compilation of stratigraphic tephra data
State of Alaska —
The principal hazard associated with future explosive eruptions of Alaska volcanoes is the generation of volcanic ash clouds which are explosively blasted high into...