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Federal
EnviroAtlas - Particulate Matter Concentration (PM2.5) - Days over 35 micrograms per cubic meter in 2017 for the Conterminous United States
U.S. Environmental Protection Agency —
This raster GIS dataset includes the number of days in 2017 that the concentration of particulate matter with a diameter of 2.5 micrometers or smaller (PM2.5)... -
Federal
Magnetotelluric data from Missouri, Arkansas, Tennessee, Illinois, and Kentucky, 2016-2019, station rfr101
Department of the Interior —
This dataset consists of 127 wideband and 21 long-period magnetotelluric (MT) stations collected from 2016-2019 across parts of Missouri, Arkansas, Tennessee,... -
Federal
2022 Cartographic Boundary File (KML), Current County Subdivision for Arkansas, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2022 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically... -
Federal
Georeferenced Plate 8, 1968, from "Hydrologic significance of the lithofacies of the Sparta Sand in Arkansas, Louisiana, Mississippi, and Texas" (Payne, 1968)
Department of the Interior —
The study of the geohydrology of the Sparta Sand is the initial phase in the investigation of the geohydrology of the Claiborne Group. The thicker sections of the... -
Federal
US EPA Nonattainment Areas and Designations - Carbon Monoxide (1990 NAAQS) - Web Service Layer
U.S. Environmental Protection Agency —
This web service layer, Carbon Monoxide (1990 NAAQS), displays identified state level areas where carbon monoxide pollution has not met the National Ambient Air... -
Federal
2024 Cartographic Boundary File (KML), State Legislative District (SLD) Upper Chamber for Arkansas, 1:500,000
U.S. Census Bureau, Department of Commerce —
The 2024 cartographic boundary KMLs are simplified representations of selected geographic areas from the U.S. Census Bureau's Master Address File / Topologically... -
Federal
MRI Monthly Future Prescribed Burn Windows for the Southeast United States 2010-2099 RCP 4.5
Department of the Interior —
Prescribed burning is a critical tool for managing wildfire risks and meeting ecological objectives, but its safe and effective application requires that specific... -
Federal
EnviroAtlas - Predicted drinking water nitrate violations by 12-Digit HUC for the Conterminous United States
U.S. Environmental Protection Agency —
This map displays predicted probability of a 12-digit Hydrologic Unit (HUC12) being at risk of violating the drinking water nitrate standard. Risk is defined as there... -
Federal
Comparing Uncorrected and Corrected Bottom-hole Temperatures Using Published Correction Methods For the Onshore U.S. Gulf of Mexico
Department of the Interior —
Wireline logging temperature readings are known to be imprecise and need to be corrected to more accurately show what the formation temperature is. One issue with... -
Federal
EnviroAtlas - Average Annual Sediment Delivery Ratio (Scaled) - Existing Land Use / Land Cover Scenario for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average sediment delivery ratio (SDR) - the percentage of soil eroding from a pixel that is transported to a downstream... -
Federal
BLM Natl MLRS Oil Shale
Department of the Interior —
This dataset contains oil shale leases derived from Legal Land Descriptions (LLD) contained in the US Bureau of Land Management's, BLM, Mineral and Land Record... -
Federal
TIGER/Line Shapefile, 2022, State, Arkansas, AR, Census Tract
U.S. Census Bureau, Department of Commerce —
The TIGER/Line shapefiles and related database files (.dbf) are an extract of selected geographic and cartographic information from the U.S. Census Bureau's Master... -
Federal
EnviroAtlas - Average Annual Soil Loss Avoided due to Vegetation (Scaled) for the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas national dataset shows the average annual soil loss from each pixel avoided due to natural vegetation in metric tons per hectare*10,000 for the... -
Federal
BLM Natl MLRS Coal Cases
Department of the Interior —
This dataset contains coal cases derived from Legal Land Descriptions (LLD) contained in the US Bureau of Land Management's, BLM, Mineral and Land Record System(MLRS)... -
Federal
BLM Natl MLRS Locatable Plans of Operations
Department of the Interior —
This dataset contains plans of operations for locatable mineral cases derived from Legal Land Descriptions (LLD) contained in the US Bureau of Land Management's, BLM,... -
Federal
Reported historic asbestos mines, historic asbestos prospects, and other natural occurrences of asbestos in the conterminous United States
Department of the Interior —
This data release is a compilation of six earlier reports on natural occurrences of asbestos in the conterminous United States, which were published separately; these... -
Federal
The StreamCat Dataset: Accumulated Attributes for NHDPlusV2 (Version 2.1) Catchments for the Conterminous United States: Runoff
U.S. Environmental Protection Agency —
This dataset represents the estimated surface water runoff within individual, local NHDPlusV2 catchments and upstream, contributing watersheds. Attributes of the... -
Federal
EnviroAtlas - Watershed Index Online Riparian Zone Mask for the Conterminous United States
U.S. Environmental Protection Agency —
The Riparian Zone Mask represents surface water in the United States and its estimated riparian zone. These areas were determined using grid analysis of an... -
Federal
Declustered catalog of natural and induced earthquakes without duplicates for the central and eastern U.S.
Department of the Interior —
A methodology has been developed at the U.S. Geological Survey (USGS) for making earthquake catalogs for seismic hazard analysis. A new catalog is assembled from... -
Federal
EnviroAtlas - Potentially Restorable Wetlands in the Conterminous United States
U.S. Environmental Protection Agency —
This EnviroAtlas dataset shows potentially restorable wetlands at 30 meter resolution. Beginning two centuries ago, many wetlands were turned into farm fields or...