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State
MD iMAP: Maryland Tidal Waters
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
National Watershed Boundary Dataset (WBD)
State of Arkansas —
The Watershed Boundary Dataset (WBD) is a comprehensive aggregated collection of hydrologic unit data consistent with the national criteria for delineation and... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Department of Natural Resources)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. The Maryland Department of Natural resources began updating the National... -
State
MD iMAP: Maryland Watersheds - Chesapeake Bay Watershed
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. Chesapeake Bay Watershed Outline. Defines extent of the Chesapeake Bay... -
State
gSSURGO Muaggat FY 2013
State of Arkansas —
This dataset is called the Gridded SSURGO (gSSURGO) Database and is derived from the Soil Survey Geographic (SSURGO) Database. SSURGO is generally the most detailed... -
State
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska
State of Alaska —
Arctic Strategic Transportation and Resources (ASTAR) project 2023 field station location data and descriptions: Point Lay region, North Slope, Alaska, Raw Data File... -
State
Natural Heritage Areas
State of Maryland —
The multiple vector file denotes the 32 areas designated in the state's Threatened and Endangered Species regulations (COMAR 08.03.08) under section .10 Natural (1)... -
State
MD iMAP: Maryland Wetlands - Wetlands Polygon (Special State Concern)
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. In Maryland certain wetlands with rare - threatened - endangered species or... -
State
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023
State of Alaska —
Single-beam bathymetric data near Kongiganak, Alaska, collected June 6, 2023, Raw Data File 2024-4, presents bathymetric data collected along the Kongnignanohk River... -
State
Groundwater Capture Zones
State of Iowa —
Groundwater capture zones are area projected to the land surface determined to provide water to the wells. Capture zones are determined for each groundwater-based... -
State
6-digit HU (Basin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
MD iMAP: Maryland Watersheds - 8 Digit Watersheds
State of Maryland —
This is a MD iMAP hosted service layer. Find more information at http://imap.maryland.gov. This file (SWSUB8) is a statewide digital watershed file. It depicts the... -
State
Soils Drainage Class
State of Connecticut —
Drainage class (natural)" refers to the frequency and duration of wet periods under conditions similar to those under which the soil formed. Alterations of the water... -
State
California Water Plan - Groundwater Update 2013
State of California —
California's Groundwater Update 2013: A Compilation of Enhanced Content for California Water Plan Update 2013 compiles and analyzes readily-available groundwater... -
State
MD iMAP: Tidal Waters - Fish Tissue and Metals Assessments only
State of Maryland —
This is a MD iMAP hosted service. Find more information on http://imap.maryland.gov. The MD_Surface_Waters Feature Dataset includes 7 feature classes that... -
State
Statewide Agricultural Water Use Data 2016-2020
State of California —
Descriptions Excel Application Tool for Statewide Agricultural Water Use Data 2016 - 2020 Department of water resources, Water Use Efficiency Branch, Water Use Unit... -
State
10-digit HU (Watershed) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National... -
State
8-digit HU (Subbasin) NGDA
State of Oregon —
Abstract: This file contains Hydrologic Unit (HU) polygon boundaries for the United States, Puerto Rico, and the U.S. Virgin Islands. The data is a seamless National...