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The District of Columbia government requires a comprehensive range of GIS data and photogrammetric mapping to support a wide variety of applications through the DC GIS program. Due to technology...
Search relevance: 182.11 | Views last month: 1 | Catalog Last Checked: September 10, 2026 at 07:07 PM -
2015 City of Portland Maine Lidar Data Acquisition and Processing Woolpert Order No. 75564 Contractor: Woolpert, Inc. This task is for a high resolution data set of lidar covering approximately...
Search relevance: 50.68 | Views last month: 0 | Catalog Last Checked: October 06, 2026 at 10:53 PM -
2015 City of Portland Maine Lidar Data Acquisition and Processing Woolpert Order No. 75564 Contractor: Woolpert, Inc. This task is for a high resolution data set of lidar covering approximately...
Search relevance: 50.14 | Views last month: 0 | Catalog Last Checked: October 06, 2026 at 10:52 PM -
LiDAR scans were taken using a tripod mounted Riegl VZ-400 scanning LiDAR. The tripod was set up such that the scanner was between 1.5 and 2.5 m tall. The VZ-400 is a near infrared (1550 nm)...
Search relevance: 47.03 | Views last month: 3 | Catalog Last Checked: September 10, 2026 at 10:36 PM -
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/9 arc-second (approximately 3 m) resolution.The 3DEP data holdings serve as the elevation layer of The National Map, and...
Search relevance: 37.95 | Views last month: 11 | Catalog Last Checked: September 10, 2026 at 10:06 PM -
1 meter Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection Trending
This is a tiled collection of the 3D Elevation Program (3DEP) and is one meter resolution. The 3DEP data holdings serve as the elevation layer of The National Map, and provide foundational...
Search relevance: 35.44 | Views last month: 182 | Catalog Last Checked: September 10, 2026 at 10:45 PM -
5 Meter Alaska Digital Elevation Models (DEMs) - USGS National Map 3DEP Downloadable Data Collection
This is a tiled collection of the 3D Elevation Program (3DEP) covering Alaska only, and is 5-meter resolution. The 3DEP data holdings serve as the elevation layer of The National Map, and provide...
Search relevance: 34.50 | Views last month: 39 | Catalog Last Checked: September 10, 2026 at 08:57 PM -
This is a tiled collection of the 3D Elevation Program (3DEP) and is 2 arc-second (approximately 60 m) resolution covering Alaska. The elevations in this Digital Elevation Model (DEM) represent...
Search relevance: 34.05 | Views last month: 11 | Catalog Last Checked: October 27, 2026 at 06:43 AM -
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1/3 arc-second (approximately 10 m) resolution. The 3DEP data holdings serve as the elevation layer of The National Map, and...
Search relevance: 33.14 | Views last month: 36 | Catalog Last Checked: September 10, 2026 at 07:55 PM -
This is a tiled collection of the 3D Elevation Program (3DEP) and is 1 arc-second (approximately 30 m) resolution. The elevations in this Digital Elevation Model (DEM) represent the topographic...
Search relevance: 32.87 | Views last month: 46 | Catalog Last Checked: September 10, 2026 at 09:00 PM -
To advance the U.S. Geological Survey 3D National Topography Model (3DNTM) including the next generation of the 3D Elevation Program (3DEP) and the 3D Hydrography Program (3DHP), ...
Search relevance: 30.15 | Views last month: 18 | Catalog Last Checked: September 10, 2026 at 09:49 PM
