2,209 datasets found for ""Base Maps""
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Federal
USGS Water-Quality Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
USGS National Structures Dataset - USGS National Map Downloadable Data Collection NGDA
Department of the Interior —
USGS Structures from The National Map (TNM) consists of data to include the name, function, location, and other core information and characteristics of selected... -
Federal
NOAA Electronic Navigational Charts (ENC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The Office of Coast Survey (OCS) has been involved in the development of a NOAA Electronic Navigational Chart (NOAA ENC) suite to support the marine transportation... -
Federal
NOAA Continuously Operating Reference Stations (CORS) Network NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
The National Geodetic Survey (NGS), an office of NOAA's National Ocean Service, manages a network of Continuously Operating Reference Stations (CORS) that provide... -
Federal
NOAA Raster Navigational Charts (RNC) NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
NOAA, National Ocean Service, Office of Coast Survey, Marine Chart Division is responsible to build and maintain a suite of more than 1000 nautical charts that are... -
Federal
USGS Surface-Water Data for the Nation - National Water Information System (NWIS)
Department of the Interior —
The USGS compiles online access to water-resources data collected at approximately 1.5 million sites in all 50 States, the District of Columbia, Puerto Rico, the... -
Federal
Groundwater depletion in the United States (1900-2008)
Department of the Interior —
A natural consequence of groundwater withdrawals is the removal of water from subsurface storage, but the overall rates and magnitude of groundwater depletion in the... -
Federal
USGS National Transportation Dataset (NTD) Downloadable Data Collection
Department of the Interior —
The USGS Transportation downloadable data from The National Map (TNM) is based on TIGER/Line data provided through U.S. Census Bureau and supplemented with HERE road... -
City
Louisville Metro KY County Boundaries
Louisville Metro Government —
It includes the following counties: Bullitt County, Hardin County, Jefferson County, Clark County, Oldham County, Henry County, Meade County, Harrison County, Shelby... -
Federal
ESI GIS Data and PDF Maps: Environmental Sensitivity Index including GIS Data and Maps (for the U.S. Shorelines, including Alaska, Hawaii, and Puerto Rico)
National Oceanic and Atmospheric Administration, Department of Commerce —
Environmental Sensitivity Index (ESI) maps are an integral component in oil-spill contingency planning and assessment. They serve as a source of information in the... -
City
National Flood Hazard - Cross Sections
Louisville Metro Government —
Normally, any FIRM that has associated flood profiles has cross sections. The S_XS table contains information about cross section lines. These lines usually... -
Federal
Conservation Reserve Program Acreage by County
Department of the Interior —
This dataset contains information regarding the acreages of land currently (as of 2004) enrolled in the Conservation Reserve Program (CRP) distributed by county and... -
University
Poleta Folds, southern Deep Springs Valley, California
OpenTopography —
These data cover a popular area for field geologic mapping courses called the Poleta Folds. The area is at the southern end of Deep Springs Valley, southeast of... -
Federal
National Land Cover Database Commonwealth of Puerto Rico Land Cover Layer
Department of the Interior —
The base Land Cover data layer for the Commonwealth of Puerto Rico was produced by the International Institute of Tropical Forestry(IITF) and crosswalked to NLCD... -
Federal
Map data from landslides triggered by Hurricane Maria in select areas of San Lorenzo, Puerto Rico
Department of the Interior —
Hurricane Maria brought intense rainfall and caused widespread landsliding throughout Puerto Rico during September 2017. Previous detailed landslide inventories... -
Federal
2025 Oregon II 356 Hypoxia Watch Bottom Dissolved Oxygen Contours
National Oceanic and Atmospheric Administration, Department of Commerce —
The NOAA Hypoxia Watch project provides near-real-time, web-based maps of dissolved oxygen near the sea floor over the Texas-Louisiana continental shelf during a... -
Federal
Marine Trackline Geophysical Database for Side-Scan Sonar Data NGDA
National Oceanic and Atmospheric Administration, Department of Commerce —
Marine Trackline Geophysical data represented within the side-scan sonar data are from towed instruments closer to the seafloor that use sound to image features on... -
State
Connecticut Road
State of Connecticut —
Connecticut Roads and Trails is 1:24,000-scale base map data. It depicts the location of all roads and trails published on the USGS topographic quadrangle maps. For... -
Federal
Map data from landslides triggered by Hurricane Maria in a section of Naranjito, Puerto Rico
Department of the Interior —
Hurricane Maria caused widespread landsliding throughout Puerto Rico during September 2017. Previous detailed landslide inventories following the hurricane include... -
Federal
East Florida, 1993 - 1995 Environmental Sensitivity Index Map
National Oceanic and Atmospheric Administration, Department of Commerce —
Environmental Sensitivity Index (ESI) maps are an integral component in oil-spill contingency planning and assessment. They serve as a source of information in the...
2,209 datasets found for ""Base Maps""