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USGS Water Resources: Principal Aquifers of the 48 Conterminous United States...
From the site: "This map layer contains the shallowest principal aquifers of the conterminous United States, Hawaii, Puerto Rico, and the U.S. Virgin Islands, portrayed as... -
PR_Q07.TIF - Puerto Rico U.S. EEZ GLORIA sidescan-sonar data mosaic (7 of 9) ...
The Puerto Rico U.S. EEZ study area includes the seafloor between the island of Puerto Rico and the Puerto Rico Trench floor and extends west to Mona Canyon and east to the U.S.... -
USEPA Region 2 Office Locations [EPA.EPAR2OFFICES]
Point locations for EPA Region 2 primary locatons and satellite offices. -
Administrative Boundaries Centroids of National Park System Units 06/30/2022
National Park Service unit points. -
1:2,000,000-scale Hydrologic Units of the United States (SUPERSEDED)
This file contains hydrologic unit boundaries and codes for the conterminous United States along with Alaska, Hawaii, Puerto Rico and the U.S. Virgin Islands. It was revised for... -
PR_Q03.TIF - Puerto Rico U.S. EEZ GLORIA sidescan-sonar data mosaic (3 of 9) ...
The Puerto Rico U.S. EEZ study area includes the seafloor between the island of Puerto Rico and the Puerto Rico Trench floor and extends west to Mona Canyon and east to the U.S.... -
H10008: NOS Hydrographic Survey, St. Croi...
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
H04629A: NOS Hydrographic Survey, ,
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
PR_Q04.TIF - Puerto Rico U.S. EEZ GLORIA sidescan-sonar data mosaic (4 of 9) ...
The Puerto Rico U.S. EEZ study area includes the seafloor between the island of Puerto Rico and the Puerto Rico Trench floor and extends west to Mona Canyon and east to the U.S.... -
H04598: NOS Hydrographic Survey, ,
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
PR_Q06.TIF - Puerto Rico U.S. EEZ GLORIA sidescan-sonar data mosaic (6 of 9) ...
The Puerto Rico U.S. EEZ study area includes the seafloor between the island of Puerto Rico and the Puerto Rico Trench floor and extends west to Mona Canyon and east to the U.S.... -
US EPA Nonattainment Areas and Designations-8 Hour Ozone (2008 NAAQS)
This web service contains the following layers: Ozone 2008 NAAQS NAA State Level and Ozone 2008 NAAQS NAA National Level. Full FGDC metadata records for each layer may be found... -
H10009: NOS Hydrographic Survey, St. Croi...
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
National Flood Hazard Layer (NFHL)
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any... -
H04653B: NOS Hydrographic Survey, ,
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
H09605: NOS Hydrographic Survey, Bajos Gr...
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
H09934: NOS Hydrographic Survey, Isla de ...
The National Oceanic and Atmospheric Administration (NOAA) has the statutory mandate to collect hydrographic data in support of nautical chart compilation for safe navigation... -
EnviroAtlas - Selected National Air Toxics Assessment Results by Census Tract...
These layers are a selection of the National Air Toxics Assessment (NATA) 2014 estimates of ambient concentrations and health-effect results by 2010 U.S. Census Tract. The... -
National Flood Hazard Layer (NFHL)
The National Flood Hazard Layer (NFHL) data incorporates all Flood Insurance Rate Map (FIRM) databases published by the Federal Emergency Management Agency (FEMA), and any... -
EF TSCA
EF_TSCA is a subset of facilities FRS_PROGRAM_FACILITY and associated best-available geospatial coordinates. Facility Registry Service (FRS) data are refrehsed daily. The layer...