• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2020-04-03T00:00:00.000+00:00

This file contains a list of geodetic bench marks, identified by a Permanent Identifier (PID), each of which have a precise orthometric height determined by geodetic leveling, a precise ellipsoid...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2019-01-01T00:00:00.000+00:00

In Gauss' words, the geoid is "the mathematical figure of the Earth". This figure is an equipotential surface coincident with the idealized mean sea surface. The geoid can be computed from the...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-01T00:00:00.000+00:00

The NOAA Maine Topbathymetric Lidar was collected by NV5 using Leica Chiroptera Hawkeye 4X systems. The lidar acquisitions were flown between 20221006 and 20231216 in 120 missions. The final...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-01T00:00:00.000+00:00

NOAA Long Island Sound Topobathymetric Lidar data were collected by NV5 using Leica Chiroptera/Hawkeye 4X and Chiroptera/Hawkeye 5 systems in four blocks. Block01 was flown between 20230305 and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2015-12-09T00:00:00.000+00:00

Atlantic was contracted to acquire high resolution topographic LiDAR (Light Detection and Ranging) data located in Mobile County, Alabama. The intent was to collect one (1) Area of Interest (AOI)...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-01T00:00:00.000+00:00

Original Data: These files contain rasterized topographic lidar elevations generated from data collected using a Teledyne ALTM Galaxy PRIME sensor. Native lidar data is not generally in a format...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2016-01-15T00:00:00.000+00:00

This data set is comprised of lidar point cloud data. This project required lidar data to be acquired over Horry County, South Carolina. The total area of the Horry County Elevation Data and...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Finger Lakes Topobathymetric lidar project data were collected by National Oceanic and Atmospheric Administration (NOAA) using a Riegl VQ-880-G sensor system. The NOAA Finger Lakes...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2023-01-01T00:00:00.000+00:00

NOAA Finger Lakes Topobathymetric lidar project data were collected by National Oceanic and Atmospheric Administration (NOAA) using a Riegl VQ-880-G sensor system. The NOAA Finger Lakes...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2022-01-01T00:00:00.000+00:00

NOAA Florence Topobathymetric Lidar data were collected by NV5 Geospatial (NV5) in 9 blocks from 20191126 - 20200825 using the follow sensors: Block01 -Riegl VQ880GII system Block02 - Riegl...

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• Organization: State of Connecticut
• Updated: 2024-12-06

Source: 1 foot contours were generated for each production block from the final bare earth DEMs using ArcGIS software. Using ArcGIS software, the contours were validated for correct topology,...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2024-01-01T00:00:00.000+00:00

Original Product: These are Digital Elevation Model (DEM) data as part of the required deliverables for the lidar project. Class 2 (Ground) lidar points in conjunction with the hydro breaklines...

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• Organization: National Oceanic and Atmospheric Administration, Department of Commerce
• Updated: 2025-01-01T00:00:00.000+00:00

Original Dataset Product: These lidar data are processed Classified LAS 1.4 files, formatted to 2690 individual 1500 m x 1500 m tiles; used to create intensity rasters, 3D breaklines and...

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• Organization: Department of the Interior
• Updated: 2025-12-17T00:00:00Z

The 3D Elevation Program (3DEP) is managed by the U.S. Geological Survey (USGS) National Geospatial Program to respond to growing needs for high-quality topographic data and for a wide range of...

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• Organization: State of Connecticut
• Updated: 2026-01-20

Source:1 foot contours were generated for each production block from the final bare earth DEMs using ArcGIS software. Using ArcGIS software, the contours were validated for correct topology,...

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• Organization: State of Connecticut
• Updated: 2025-12-04

Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed polygons less than 35'...

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• Organization: State of Connecticut
• Updated: 2025-11-18

Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed polygons less than 35'...

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• Organization: State of Connecticut
• Updated: 2025-11-19

Connecticut Statewide Building footprints were created during the CT Statewide GIS Services lidar project. Building footprints are reviewed against lidar intensity imagery to verify completeness...

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• Organization: State of Connecticut
• Updated: 2025-12-08

Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed polygons less than 35'...

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• Organization: State of Connecticut
• Updated: 2025-12-08

Contours are lines of equal elevation. This is a contour feature layer for the state of Connecticut derived from the index contour in the 1' contour data set. All closed polygons less than 35'...

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