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University
National Park Boundaries
Earth Data Analysis Center, University of New Mexico —
National Park Service unit boundaries. -
Federal
Current Tract Polygons of National Park System Units
Department of the Interior —
National Park Service Unit tract polygons -
Federal
Administrative Boundaries Centroids of National Park System Units
Department of the Interior —
National Park Service unit points. -
Federal
National Waterway Network Lines NGDA
Federal Geographic Data Committee —
The National Waterway Network Lines dataset is periodically updated by the United States Army Corp of Engineers (USACE) and is part of the U.S. Department of... -
Federal
National Hydrography Dataset (NHD) - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
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... -
Federal
National Hydrography Dataset Plus High Resolution (NHDPlus HR) - USGS National Map Downloadable Data Collection
Department of the Interior —
The High Resolution National Hydrography Dataset Plus (NHDPlus HR) is an integrated datset of geospatial data layers, including the most current National Hydrography... -
Federal
Fish communities in Shenandoah Valley streams, 2021
Department of the Interior —
From 16 June to 30 July, 2021, a Virginia Tech team of 4-6 sampled the fish community in 30 Shenandoah Valley streams (Virginia and West Virginia, USA) as part of a... -
State
MTA NYCT Customer Engagement Statistics: 2017-2022
State of New York —
This dataset provided statistics and performance metrics about the volume and responsiveness in engaging with customers via several customer engagement channels. Data... -
Federal
Airborne imaging spectrometer data collected for characterizing mineral resources near Nabesna, Alaska, 2014: CAL03
Department of the Interior —
Imaging spectrometer (hyperspectral) data were collected using the HyMap™ sensor over the Nabesna Area of Interest (AOI) in the eastern Alaska Range, July 14 and July... -
Federal
H07138: NOS Hydrographic Survey , Auau and Kalohi Channels, Hawaii, 1946-12-31
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
H11309: NOS Hydrographic Survey , Mobile Bay, Alabama, 2007-10-26
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
Field portable X-ray fluorescence data for Hinkley and Water Valleys, San Bernardino County, California
Department of the Interior —
These data were collected using field portable (handheld) X-ray fluorescence (pXRF) equipped with a 4-watt Ta/Au X-ray tube. Samples of surficial alluvium, rock, and... -
Federal
Larval Fish Abundance, Identification, and Auxiliary Data from the Great Lakes and Their Connecting Channels
Department of the Interior —
This dataset contains data collected on various vessel operations on the Great Lakes and their connecting channels, primarily the St. Clair River, Lake St. Clair,... -
Federal
Science Tree Canopy Cover (TCC) Hawaii NGDA
Department of Agriculture —
The USDA Forest Service (USFS) builds two versions of percent tree canopy cover data, in order to serve needs of multiple user communities. These datasets encompass... -
Federal
Total mercury concentrations in dragonfly larvae from U.S. national parks (ver. 10.0, January 2025)
Department of the Interior —
Comma-separated values (.csv) file containing data related to mercury concentrations in dragonfly samples from U.S. National Parks, Protected Places, and other... -
Federal
National Land Cover Database (NLCD) Tree Canopy Cover (TCC) Conterminous United States NGDA
Department of Agriculture —
The USDA Forest Service (USFS) builds two versions of percent tree canopy cover data, in order to serve needs of multiple user communities. These datasets encompass... -
Federal
National Land Cover Database (NLCD) Tree Canopy Cover Products NGDA
Department of the Interior —
The USDA Forest Service (USFS) builds two versions of percent tree canopy cover (TCC) data to serve needs of multiple user communities. These datasets encompass the... -
Federal
F00814: NOS Hydrographic Survey , 2020-09-03
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe... -
Federal
USGS Spectral Library Version 7 Data
Department of the Interior —
This data release provides the U.S. Geological Survey (USGS) Spectral Library Version 7 and all related documents. The library contains spectra measured with... -
Federal
High-Resolution Airborne Gravity Gradiometry, Magnetic, and Radiometric Data of Mountain Pass, Southeast Mojave Desert, California
Department of the Interior —
A detailed airborne gravity gradiometry, magnetic, and radiometric survey of Mountain Pass, California was flown by CGG Canada Services Ltd. (CGG). The high-...