National Geospatial Technical Operations Center

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The U.S. Geological Survey National Geospatial Technical Operations Center (NGTOC) provides leadership and world-class technical expertise in the acquisition and management of trusted geospatial data, services, and map products for the Nation. NGTOC supports The National Map as part of the National Geospatial Program (NGP). 

The National Map

The National Map

The National Map is a collaborative effort among the USGS and partners to improve and deliver topographic information for the Nation. The NGTOC creates, maintains and publishes the products and services of The National Map.

Products & Services

Center of Excellence for Geospatial Information Science (CEGIS)

Center of Excellence for Geospatial Information Science (CEGIS)

CEGIS is a virtual organization with Federal and academic affiliate scientists conducting research in support of The National Map and the Three-Dimensional Elevation Program (3DEP).

CEGIS Information

News

Date published: July 14, 2020

TRAILS Project Earns the 2020 Esri SAG Award

The Department of Interior sponsored National Digital Trails Project and USGS National Geospatial Program (NGP) have been selected to receive a Special Achievement in GIS (SAG) Award for the Trail Routing, Analysis, and Information Linkage System (TRAILS) decision support tool.

Date published: July 9, 2020

Mapping Challenge Update (07/09/2020): City / Town Halls in ME, NH, & VT

Over 80 points have been added since last week!  Keep up the good work!

Date published: July 9, 2020

Mapping Challenge Update (07/09/2020): Schools in LA

This challenge saw over 280 edits in the last week - nice work!  There are still several schools that need to be edited (red points).  Don't forget to check for missing schools, too!

Publications

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Year Published: 2020

Elevation-derived hydrography acquisition specifications

Hydrographic features derived from U.S. Geological Survey (USGS) 3D Elevation Program data, and collected for use by the USGS, must meet the specifications described in this document. The specifications described herein pertain to the final product delivered to the USGS, not to methods used to derive the hydrographic features. The specifications...

Terziotti, Silvia; Archuleta, Christy-Ann
Attribution: Northern Prairie Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, California Water Science Center, Water Resources, Geology, Geophysics, and Geochemistry Science Center, Region 7: Upper Colorado Basin, South Atlantic Water Science Center (SAWSC), Water Resources, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Western Fisheries Research Center, Ecosystems, Fisheries Program, Caribbean-Florida Water Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Northern Prairie Wildlife Research Center, Ecosystems, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Fort Collins Science Center, Ecosystems, Fort Collins Science Center, Ecosystems, United States of America, Pacific Coastal and Marine Science Center, Pacific Coastal and Marine Science Center, National Wildlife Health Center, Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Water Resources, Columbia Environmental Research Center, Ecosystems, Region 4: Mississippi Basin, Climate Adaptation Science Centers, Land Resources, Climate Adaptation Science Centers, California Water Science Center, Water Resources, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center
Terziotti, S., and Archuleta, C.M., 2020, Elevation-Derived Hydrography Acquisition Specifications: U.S. Geological Survey Techniques and Methods, book 11, chap. B11, 74 p., https://doi.org/10.3133/tm11B11.

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Year Published: 2020

Elevation-derived hydrography—Representation, extraction, attribution, and delineation rules

With the increasing availability of 3D Elevation Program (3DEP) quality high resolution elevation data across the United States and the pressing need for better integrated elevation and hydrography data, the U.S. Geological Survey is developing guidance to improve the horizontal and vertical alignment of these datasets. The U.S. Geological Survey...

Archuleta, Christy-Ann; Terziotti, Silvia
Attribution: Northern Prairie Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, California Water Science Center, Water Resources, Geology, Geophysics, and Geochemistry Science Center, Region 7: Upper Colorado Basin, South Atlantic Water Science Center (SAWSC), Water Resources, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Western Fisheries Research Center, Ecosystems, Fisheries Program, Caribbean-Florida Water Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Northern Prairie Wildlife Research Center, Ecosystems, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Fort Collins Science Center, Ecosystems, Fort Collins Science Center, Ecosystems, United States of America, Pacific Coastal and Marine Science Center, Pacific Coastal and Marine Science Center, National Wildlife Health Center, Ecosystems, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Water Resources, Columbia Environmental Research Center, Ecosystems, Region 4: Mississippi Basin, Climate Adaptation Science Centers, Land Resources, Climate Adaptation Science Centers, California Water Science Center, Water Resources, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center
Archuleta, C.M., and Terziotti, S., 2020, Elevation-Derived Hydrography—Representation, Extraction, Attribution, and Delineation Rules: U.S. Geological Survey Techniques and Methods, book 11, chap. B12, 60 p., https://doi.org/ 10.3133/ tm11B12.

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Year Published: 2019

Analysis for agreement of the Northern Gulf of Mexico topobathymetric digital elevation model with 3-Dimensional Elevation Program 1/3 arc-second digital elevation models

Topographical differencing and edge-matching analyses were used to evaluate agreement of the Coastal National Elevation Database Applications Project’s Northern Gulf of Mexico topobathymetric digital elevation model (TBDEM) with The National Map 3-Dimensional Elevation Program (3DEP) 1/3 arc-second digital elevation models (DEMs). In addition to...

Miller-Corbett, Cynthia
Attribution: Pacific Coastal and Marine Science Center, Pacific Coastal and Marine Science Center, Western Fisheries Research Center, Ecosystems, Fisheries Program, Core Science Systems, National Geospatial Program, United States of America, Center of Excellence for Geospatial Information Science (CEGIS), Minerals, Geology, Geophysics, and Geochemistry Science Center, Mineral Resources Program, Region 7: Upper Colorado Basin, Colorado, United States of America, Other, Southwest Biological Science Center, Ecosystems, United States of America, Geologic Hazards Science Center, Natural Hazards, Region 7: Upper Colorado Basin, Western Ecological Research Center, Ecosystems, Great Lakes Science Center, Ecosystems, Geosciences and Environmental Change Science Center, Mineral Resources Program, Region 7: Upper Colorado Basin, United States of America, Alaska Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, National Geospatial Program, United States of America, The National Map - Delivery, Alaska Science Center, Ecosystems, Region 11: Alaska, Lower Mississippi-Gulf Water Science Center, Region 4: Mississippi Basin, Eastern Energy Resources Science Center, Energy Resources Program, United States of America, Western Ecological Research Center, Ecosystems, Southwest Biological Science Center, Ecosystems, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Natural Hazards, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, California, United States of America, Central Midwest Water Science Center, Alaska Science Center, Ecosystems, Region 11: Alaska, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Landslide Hazards Program, Region 7: Upper Colorado Basin, Colorado, United States of America, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Landslide Hazards Program, Region 7: Upper Colorado Basin, North Carolina, United States of America, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Landslide Hazards Program, Region 7: Upper Colorado Basin, United States of America, North Central Climate Adaptation Science Center, Western Fisheries Research Center, Ecosystems, Fisheries Program, Northern Prairie Wildlife Research Center, Ecosystems, Cooperative Research Units, Northern Rocky Mountain Science Center (NOROCK), Ecosystems, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Geosciences and Environmental Change Science Center, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Upper Midwest Water Science Center, Ecosystems, Region 11: Alaska, California Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Pacific Island Ecosystems Research Center, Ecosystems, Geosciences and Environmental Change Science Center, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Environmental Health, New Jersey Water Science Center, Water Resources, Contaminant Biology Program, Region 1: North Atlantic-Appalachian, United States of America, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Water Resources, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Alaska Science Center, Ecosystems, Region 11: Alaska, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, South Atlantic Water Science Center (SAWSC), Water Resources, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Upper Midwest Water Science Center, Upper Midwest Environmental Sciences Center, Ecosystems, Region 1: North Atlantic-Appalachian, Water Resources, Biology and Ecosystems, National Wildlife Health Center, Ecosystems, Fish & Wildlife Disease, United States of America, Astrogeology Science Center, Natural Hazards, California Water Science Center, Water Resources, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, United States of America, Wildland Fire Science, Upper Midwest Water Science Center, Geology, Geophysics, and Geochemistry Science Center, Region 7: Upper Colorado Basin, Fort Collins Science Center, Ecosystems, Oceans, Pacific Coastal and Marine Science Center, Coastal and Marine Hazards and Resources Program, Region 11: Alaska, United States of America, Geology, Minerals, Energy, and Geophysics Science Center, Region 7: Upper Colorado Basin, Water Resources, Water Resources, Water Resources, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Alaska Science Center, Ecosystems, Region 11: Alaska, Leetown Science Center, Ecosystems, Region 1: North Atlantic-Appalachian, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Earthquake Hazards Program, Region 7: Upper Colorado Basin, United States of America, Geologic Hazards Science Center, Natural Hazards, Region 7: Upper Colorado Basin, Fort Collins Science Center, Ecosystems, Geologic Hazards Science Center, Natural Hazards, Region 7: Upper Colorado Basin, Lower Mississippi-Gulf Water Science Center, Water Resources, Groundwater and Streamflow Information Program, Region 1: North Atlantic-Appalachian, Fort Collins Science Center, Ecosystems, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Earthquake Hazards Program, Region 7: Upper Colorado Basin, Pakistan, Alaska Science Center, Ecosystems, Region 11: Alaska, Water, Pennsylvania Water Science Center, Water Resources, West Virginia, United States of America, Climate Adaptation Science Centers, Ecosystems, Climate Adaptation Science Centers, Nevada Water Science Center, Water Resources, Southwest Biological Science Center, Ecosystems, Alaska Science Center, Ecosystems, Region 11: Alaska, Environmental Health, Western Ecological Research Center, Environmental Health, Contaminant Biology Program, United States of America, California Water Science Center, Water Resources, California Water Science Center, Water Resources, United States of America, Wildland Fire Science, Western Geographic Science Center, United States of America, Wildland Fire Science, Climate Adaptation Science Centers, Climate Adaptation Science Centers, Columbia Environmental Research Center, Environmental Health, Contaminant Biology Program, Region 4: Mississippi Basin, United States of America, Western Geographic Science Center, California Water Science Center, Water Resources, Natural Hazards, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, United States of America, New York Water Science Center, Water Resources, Western Ecological Research Center, Ecosystems, Geosciences and Environmental Change Science Center, Region 7: Upper Colorado Basin, United States of America, Fort Collins Science Center, Ecosystems, Cooperative Research Units, Earthquake Science Center, Natural Hazards, Earthquake Hazards Program, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, , Volcano Hazards Program Office, Natural Hazards, Woods Hole Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, Region 1: North Atlantic-Appalachian, United States of America, Patuxent Wildlife Research Center, Ecosystems, Fish & Wildlife Disease, Region 1: North Atlantic-Appalachian, United States of America, Upper Midwest Environmental Sciences Center, Ecosystems, Patuxent Wildlife Research Center, Ecosystems, Wildlife Program, Region 1: North Atlantic-Appalachian, United States of America, New England Water Science Center, Water Resources, Region 4: Mississippi Basin, Western Fisheries Research Center, Ecosystems, Fisheries Program, Utah Water Science Center, Water Resources, Land Change Science Program, Region 7: Upper Colorado Basin, United States of America, Patuxent Wildlife Research Center, Ecosystems, Region 1: North Atlantic-Appalachian, Forest and Rangeland Ecosystem Science Center (FRESC), Ecosystems, Patuxent Wildlife Research Center, Ecosystems, Wildlife Program, Region 1: North Atlantic-Appalachian, United States of America, Volcano Hazards Program Office, Eastern Energy Resources Science Center, Energy Resources Program, United States of America, Reston Electron Microbeam Laboratory, Western Fisheries Research Center, Ecosystems, Fisheries Program, Energy, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, China, Mapping, Remote Sensing, and Geospatial Data, Core Science Systems, National Geospatial Program, United States of America, 3D Elevation Program, Energy, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Algeria, Lower Mississippi-Gulf Water Science Center, Region 4: Mississippi Basin, Lower Mississippi-Gulf Water Science Center, Region 4: Mississippi Basin, Eastern Energy Resources Science Center, Energy Resources Program, United States of America, Environmental Health, Upper Midwest Water Science Center, Water Resources, Toxic Substances Hydrology Program, United States of America, Eastern Energy Resources Science Center, Energy Resources Program, United States of America, Mapping, Remote Sensing, and Geospatial Data, Woods Hole Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, Region 1: North Atlantic-Appalachian, United States of America, , Volcano Hazards Program Office, Florence Bascom Geoscience Center, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Great Lakes Science Center, Ecosystems, Water Resources, Washington Water Science Center, Water Resources, Natural Hazards, Pacific Coastal and Marine Science Center, Natural Hazards, Coastal and Marine Hazards and Resources Program, United States of America, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Natural Hazards, Geologic Hazards Science Center, Natural Hazards, Earthquake Hazards Program, Region 7: Upper Colorado Basin, United States of America, St. Petersburg Coastal and Marine Science Center, Region 2: South Atlantic-Gulf (Includes Puerto Rico and the U.S. Virgin Islands), Northern Prairie Wildlife Research Center, Ecosystems, Land Change Science Program, United States of America, Central Energy Resources Science Center, Energy Resources Program, Region 7: Upper Colorado Basin, Western Ecological Research Center, Ecosystems, Colorado Water Science Center, Water Resources, Region 7: Upper Colorado Basin, Wetland and Aquatic Research Center, Ecosystems, Region 4: Mississippi Basin, Core Science Systems, National Geospatial Program, National Geospatial Technical Operations Center
Miller-Corbett, C., 2019, Analysis for agreement of the Northern Gulf of Mexico topobathymetric digital elevation model with 3-Dimensional Elevation Program 1/3 arc-second digital elevation models: U.S. Geological Survey Open-File Report 2019–1016, 44 p., https://doi.org/10.3133/ofr20191016.